Condom Broke or Unprotected Sex? What to Do in the Next 72 Hours

If the condom broke, treat it as unprotected sex, because most men notice only after finishing. Start PEP within 72 hours, use emergency contraception within 5 days, and test for STDs at 2, 6 and 12 weeks.

Inside 72 hours? Call or WhatsApp 97907 83856 today.

If it is the middle of the night, WhatsApp us now: PEP can be started up to 72 hours later, so we will reply when we open in the morning and see you the same day. If it was your wife and you have both been tested, the only question is pregnancy, so go straight to emergency contraception.

Hello! Vanakkam and Namaste. This is Dr Shah Dupesh, consultant sexologist in Chennai.

A condom breaking is one of the most frightening moments a man can have. One minute you were being careful. The next, you are staring at a torn piece of latex, counting backwards in your head and searching the internet at 2 am.

I see these men every week, and most of them tell me the same thing: they only noticed after finishing. That is why I treat a condom break as a full exposure. Below is exactly what to do, hour by hour.

Jump to: first minutes · PEP (72 hours) · test calendar · pregnancy · stop it happening again

Condom broke during sex: what to do in the first few minutes

The first few minutes matter less than you fear and more than you think. Nothing you do in the bathroom will remove an infection. But a few calm steps keep you safe and clear-headed for the next 72 hours.

Step 1: Stop and withdraw

If you notice the condom has broken or slipped, stop straight away and withdraw. Every extra minute of contact adds to the exposure. Hold the base of the condom as you pull out, so nothing slips further.

Step 2: Check the condom, and look for pieces

Look at the condom in the light. Is it torn at the tip, split along the side, or rolled up at the base? Also check whether a piece is missing.

If a piece or the whole condom is inside your partner, it should come out today. Your partner should wash their hands, squat or lie with knees apart, bear down gently, and hook it out with one or two clean fingers.

Then lay it out and check it is complete. If it cannot be reached, call us and we will guide you.

Step 3: Wash the outside gently, then pass urine

Wash your penis with plain water and mild soap. Pull the foreskin back and wash under it too, then dry. After that, pass urine.

Be honest with yourself about what this does, though. Washing is basic hygiene. It does not kill HIV, and it does not prevent gonorrhoea or chlamydia once they are in the urethra, the tube urine passes through.

If it was anal sex, or oral sex

After anal sex, the receptive partner should gently bear down, as if passing stool, to let semen out, and should not douche. Receptive anal sex carries the highest HIV risk of any sexual act, so PEP matters most here. After oral sex, spit, rinse the mouth with water, and do not brush or floss for an hour; I explain those risks in my article on STDs from oral sex.

What not to do immediately after a condom breaks

• Do not scrub hard or use strong antiseptic liquids. Scrubbing causes tiny cuts and irritation, and that can make infection easier, not harder.
• Do not douche or wash inside the vagina or rectum. It can push semen and germs further in.
• Do not take leftover antibiotics. They do not prevent HIV, and the wrong dose can hide gonorrhoea or chlamydia.
• Do not wait for symptoms. Many infections never cause any. Because of that, the decisions you make in the next 72 hours matter far more than any symptom.

So, once the immediate steps are done, sit down and look at the clock. The single most useful question now is this: how many hours ago did it happen? If the answer is under 72, jump to the PEP section now.

How do you know if a condom broke? And why most men find out too late

Sometimes it is obvious: a loud snap, a sudden change in feeling, or a split you can see. But often there are only quiet signs:

• Semen leaking out of the condom, or wetness on the outside of it after you withdraw.
• The tip is torn, or the reservoir at the tip is empty after ejaculation.
• The condom has rolled up to the base of the penis, or come off inside your partner.
• Your partner feels wetness inside that should not be there.

Why you may not notice a broken condom

A condom is thin, and a tear makes no sound you can hear in the moment. So the feeling barely changes. That is exactly what my patients describe.

So if you are unsure when the condom broke, plan for the full exposure. It is safer than hoping for a small one, and it is exactly how we assess men at our confidential STD clinic.

Do I need PEP after a condom broke?

Yes, if your partner’s HIV status is unknown and it happened within the last 72 hours. Most men only notice the tear after finishing, so I treat a condom break as a full exposure and give PEP after four rapid tests.

What is post-exposure prophylaxis (PEP)?

PEP, post-exposure prophylaxis, is a 28-day course of HIV medicines taken after a possible exposure. Its aim is to stop the virus from taking hold before it can establish itself in the body.

What if it was my wife or a regular partner?

If you are both faithful and have both been tested, HIV is not the question; pregnancy is. Go straight to emergency contraception. But if you are not sure of her status, or of your own, call me and we will decide together within the 72 hours.

What if my partner has HIV and is on treatment?

If she has HIV, has taken treatment for at least six months and her viral load is undetectable, she does not pass HIV through sex. In that case PEP is usually not needed. But if you do not know her latest result, treat the risk as real and come in.

Condom broke with a sex worker: do I need PEP?

Yes. HIV and syphilis are far more common among sex workers than in the general population, so this is exactly the exposure PEP is for. Come in within 72 hours.

Nothing you tell me goes beyond your private file. If it happened at a parlour, read my guide on massage parlour STD risk too.

Why the clock matters so much

Current guidance says the first dose should be given as soon as possible, ideally within 24 hours, and no later than 72 hours after the exposure (Tanner, 2025). The reason is biology.

In a classic monkey study, every animal given a 28-day course starting 24 hours after the virus was injected was protected. Starting at 48 or 72 hours, or giving a shorter course, protected fewer (Tsai, 1998).

So every hour counts. If you are reading this inside 72 hours, call 97907 83856 today rather than waiting to see how you feel. You can also WhatsApp the same number.

Does PEP actually work?

The best human evidence comes from health workers exposed through needle-stick injuries. In a case-control study, those who took HIV medicine afterwards had 81% lower odds of becoming infected (Cardo, 1997). Modern regimens are far stronger than the single drug used then.

Results with current medicines are reassuring too. In an Australian study of 100 gay and bisexual men given a dolutegravir-based regimen, none of those followed up acquired HIV over 12 weeks (McAllister, 2017). Similarly, in a Madrid hospital, only one of 621 people followed up after PEP became infected, 0.16% (Carrillo, 2024).

Which medicines, and are they hard to take?

The preferred regimens today are bictegravir with emtricitabine and tenofovir alafenamide, or dolutegravir with tenofovir and emtricitabine or lamivudine (Tanner, 2025). Both are taken once a day, and I prescribe generic versions. If HIV is ever diagnosed, today’s treatment is just as simple, as I explain in my guide to HIV and AIDS.

One practical warning: antacids, calcium, iron and multivitamin tablets can block these medicines. So take your PEP tablet at least 2 hours before, or 6 hours after, any of them, and tell me about everything else you take.

Finishing the course matters as much as starting it. With older PEP regimens, only 24% to 78% of people finished, and side effects were the main reason they stopped (Bryant, 2009). Today, single-tablet regimens are much easier: in one 2024 study, 97.8% of people finished the course (Gan, 2024).

Percentage of people completing the full 28-day course, two current regimens compared

Single tablet (BIC/FTC/TAF)

97.8%

Multi-tablet (TDF/FTC + DTG)

82.6%

Source: Gan L et al., 2024, prospective cohort in Guiyang, China (179 adults).

Side effects are usually mild. In the dolutegravir study, the commonest were tiredness (26%), nausea (25%), loose stools (21%) and headache (10%), and only 1% stopped because of them (McAllister, 2017). In my experience, most settle within the first one to two weeks.

My PEP protocol after a condom break

Nobody gets PEP from me without four rapid tests first: HIV, hepatitis B, hepatitis C and syphilis. I also check your kidney and liver function, because these medicines are cleared through them. Guidance recommends an HIV test before starting, but says the first dose should not be delayed for laboratory results (Tanner, 2025).

The baseline HIV test matters for another reason. In the Madrid series, 1.1% of people asking for PEP already had HIV that nobody knew about (Carrillo, 2024).

They needed treatment, not PEP. Read the full details on my page on PEP treatment.

The hepatitis B rapid test tells me whether you already carry the virus. It does not tell me whether you are protected.

So I ask about your vaccination, and if you are not sure, I check your antibody level. If you are not protected, the vaccine, with or without hepatitis B immunoglobulin, protects after sexual contact (Aspinall, 2011), ideally within 1 to 7 days.

Finally, until your 12-week test is clear, use a condom every time, including with your wife or regular partner. If you did pick up an infection, these early weeks are when it passes most easily.

Can PEP still work after 4 days?

No. Guidance does not recommend starting PEP after 72 hours, because there is no good evidence it works that late (Tanner, 2025).

If you are past that point, do not lose hope. Instead, the plan switches to testing at the right time, which I explain next and on my page on the HIV window period.

Second scare? Ask about PrEP

PEP is for one exposure. If you expect to be exposed again, PrEP is the better plan.

It is HIV medicine taken before sex, and guidance recommends planning the move from PEP to PrEP for people who need it (Tanner, 2025). We discuss it privately at our STD clinic.

When to get tested after a condom broke: the next 2 to 12 weeks

Testing too early is the most common mistake I see. A test done the day after a condom break can only tell you what you had before that night. Every infection needs time to grow, or for your body to make antibodies, before a test can find it.

Doctors call this the window period. So the right question is not ‘Which test?’ but ‘Which test, and when?’

Here is the calendar I give my patients. If you are on PEP, the 4 to 6 week and 12 week visits are the follow-up guidance recommends (Tanner, 2025).

Is 2 days too soon to test for an STD?

Yes, for anything caught that night. Gonorrhoea takes about 6 days on average to cause symptoms, and non-specific urethritis about 8 (Schofield, 1982).

So a test at 2 days can miss it, and tests are most reliable from about 2 weeks. The one exception is the baseline test, which is useful precisely because it shows your status before the exposure.

How soon can an HIV test detect infection?

Fourth-generation tests, which look for both antibodies and a piece of the virus called p24, and NAAT tests, which look for the virus itself, can turn positive within days to weeks of infection (Bottone, 2017). Older antibody-only tests take longer.

Even good rapid tests need time, though. In a 2026 study, neither of the two samples taken in the first fortnight after infection was positive on a fourth-generation rapid test. Between two and three weeks most infections were caught, and after three weeks all of them (Guiraud, 2026).

Percentage of HIV infections the better of two rapid tests detected, by time since infection (only two samples in the first fortnight)

First 2 weeks

0%

2 to 3 weeks

91%

After 3 weeks

100%

Source: Guiraud V et al., 2026 (39 samples with a known infection date, out of 162).

So why wait until 12 weeks for the final answer? Because guidance recommends it, especially after PEP, which can delay a positive result (Tanner, 2025). For the follow-up tests I use NAAT, the HIV PCR test, which looks for the virus itself.

Symptoms to watch for in the next few weeks

Most infections from a single exposure cause no symptoms at all. But see me straight away if you notice any of these:

• Burning when you pass urine, or a white, yellow or green discharge from the penis. This is the typical picture of gonorrhoea or chlamydia.
• A sore, ulcer or blisters on the penis, even a painless one.
• Fever, a rash, sore throat and body aches two to six weeks later. These can be early HIV, though they are far more often a common virus or plain anxiety.
• Redness or soreness under the foreskin. This is not always an STD; it can be balanitis. And a little white material under the foreskin is usually smegma, not a discharge.

None of these symptoms proves anything alone. A timed test does.

What about doxycycline after sex?

You may have read about doxy-PEP: a single dose of the antibiotic doxycycline, taken after sex to prevent bacterial STDs. In a French trial, it cut chlamydia and syphilis dramatically (Molina, 2024). A 2026 review confirmed strong effects on chlamydia and syphilis, and a smaller effect on gonorrhoea (Yamamoto, 2026).

However, those trials were in gay and bisexual men and transgender women at high risk. Long-term effects on antibiotic resistance are still uncertain (Yamamoto, 2026). So it is not a routine step after one condom break, and whether it suits you is a conversation for the consultation, not something to buy and take on your own.

Condom broke: preventing pregnancy

If your partner could get pregnant, pregnancy has its own deadline, and it runs alongside the PEP deadline. So deal with both on the same day. The levonorgestrel morning-after pill is sold at any chemist without a prescription, and she should take it today.

Emergency contraception: the options

Emergency contraception is safe, highly effective and has almost no medical contraindications (Koch, 2026). Condom breakage is exactly the situation it is meant for. There are three main options, and the table below compares them.

Among all options, the copper IUD is the most effective. In one trial, it prevented every one of the pregnancies that would have been expected (Nourse, 2025). It can be fitted within five days of the sex.

The pills work best the sooner they are taken, so do not wait for the morning if you can get one sooner. For a woman with a higher body weight, the evidence on whether the pills work as well is still unsettled (Edelman, 2024). That is one more reason for her to see her gynaecologist quickly.

Can she get pregnant if the condom broke before I came?

Yes, it is possible, though less likely. The fluid released before ejaculation, pre-cum, can carry sperm.

That is why the withdrawal method is unreliable; I explain why in my 10 quick facts on the pull-out method. And from an STD point of view, it makes no difference at all, because pre-cum and vaginal fluid can both carry infection.

Can sperm go through a condom that is not broken?

Very rarely. In clinical trials, a marker of semen was found in only 1.2% of vaginal samples after sex with an intact condom (Walsh, 2004). So an intact, correctly used condom is highly reliable.

When should she take a pregnancy test?

She should do a home test three weeks after the sex. If her period is more than seven days late, or unusually light, she should test sooner.

Condom slipped off inside: is it the same as a break?

Yes. A condom that slips off inside is an exposure in exactly the same way as one that tears. So the same plan applies: PEP within 72 hours, emergency contraception if pregnancy is possible, and timed tests.

Condom failure, breaking or slipping, happens to many men at some point. In one study of gay men, over a third had at least one over the study period, even though it happened in fewer than 3 in 100 acts (Gray, 2024). Slippage usually happens when the condom is the wrong size, when the erection softens before withdrawal, or when the base is not held while pulling out.

To remove a condom stuck inside, use the steps in Step 2 above. If it cannot be reached, or she has pain, fever or an unusual discharge afterwards, she should see her gynaecologist. And if you often lose your erection with a condom on, that is worth fixing in its own right; see my page on erectile dysfunction treatment.

Unprotected sex once: what is your real risk?

Treat it as a real exposure first, and work out the numbers second. Your risk from one exposure depends on three things. First, whether your partner actually has an infection.

Second, which infection it is, because they pass with very different ease. Third, what happened during the sex: how long, whether you ejaculated, and whether there was any bleeding or a sore.

The main infections at a glance

This table puts them side by side. The sections below explain each one.

Can you get HIV from a broken condom?

Yes, if the partner has HIV that is not controlled by treatment. The risk per act is low, and it varies widely with the type of sex (Patel, 2014). For a man having vaginal sex with a woman, it is about 4 in 10,000 acts.

Low per act, but nobody can tell which act is the one. That is why I give PEP.

Higher-risk settings push the number up: in one South African study, the risk for an uncircumcised man from one act with an infected woman was about 5 in 1,000 (Mahiane, 2009). That study also found that herpes in either partner roughly tripled the chance of HIV passing.

Several other things raise the risk, such as a partner with a high viral load, other STDs with sores or inflammation, bleeding, and rough sex. On the other hand, circumcision reduces a man’s risk of getting HIV by 50% to 60% (Mehta, 2021). And when the HIV-positive partner is on effective treatment and condoms are used, the risk falls by over 99% (Patel, 2014).

What about your partner’s status? In India, about 0.26% of adults lived with HIV in 2015 (Pandey, 2017).

But the figure is much higher in some groups, which is why the partner’s background changes my advice. If you do not know her status, I assume the risk is real.

Gonorrhoea and chlamydia

These two pass far more easily than HIV. In a classic study of US sailors, the estimated risk of catching gonorrhoea from one exposure to an infected woman was about 1 in 5, and higher in some groups (Hooper, 1978). The more often the men were exposed, the higher their infection rate.

Chlamydia is often silent. Untreated, it can last a long time in men (Lewis, 2017), which gives it time to pass to a partner. I explain the symptoms and treatment on my pages on gonorrhoea treatment and chlamydia treatment in Chennai.

Herpes, syphilis and HPV: the skin-contact infections

Even an intact condom covers only part of the skin. That is why herpes, syphilis and HPV can pass from skin the condom never covered. Still, condoms help.

In African couples where one partner had genital herpes, condoms cut the per-act risk of passing it from men to women by 96%, and from women to men by about 65% (Magaret, 2016). So a man gets real, but less, protection.

For HPV, the effect on the woman is clear. Young women whose partners always used condoms had about 70% fewer new HPV infections (Winer, 2006).

New genital HPV infections per 100 woman-years, by how often their partner used condoms

Condom every time

37.8

Condom under 5%

89.3

Source: Winer RL et al., 2006, New England Journal of Medicine (82 university students).

So when a condom breaks, both of you lose that protection for that act. Syphilis, meanwhile, often starts as a painless sore you may never see. Read more on my pages on herpes treatment and syphilis treatment in Chennai.

Hepatitis B and C

Hepatitis B passes through sex far more easily than HIV, which is why I check your immunity on day one. I explain the infection on my page on hepatitis B treatment.

Hepatitis C passes through sex much less often, but it is not impossible. Therefore it is one of my four rapid tests too, and I cover it on my page on hepatitis C treatment.

How to stop worrying after a condom break

For many men, the fear lasts much longer than any real risk. They check their skin every morning, read forums at night, and test again and again even after negative results.

Doctors call this venereophobia, an intense fear of STDs that often follows a high-risk encounter. A 2025 review describes it as common in men, and notes that patients often keep seeking consultations even after repeated reassurance (Sakkaravarthi, 2025).

The body can play along too. In one series of 46 people with an intense fear of HIV, symptoms such as headache, sore throat, muscle twitching, tiredness and a feeling of fever appeared in the months after the encounter, while every HIV antibody test stayed negative (Li, 2011).

These symptoms are real and distressing. But a correctly timed negative test, not the symptoms, is what I trust.

So here is what helps:

• Act early, then stop searching. PEP within 72 hours and a clear testing plan take most of the uncertainty away.
• Trust the timed tests. A negative 12-week test closes the question. Testing every week before then only adds worry.
• Get help if the fear is taking over. It is treatable with reassurance, education and, if needed, counselling (Sakkaravarthi, 2025). Our psychosexual counselling service exists for exactly this.

Why condoms break, and how to stop it happening again

Used correctly, condoms rarely fail. In two clinical trials, latex condoms broke in only 0.4% of uses and slipped off in 1.1% (Walsh, 2004).

Even ultra-thin condoms did no worse: in a 2025 trial, the thinnest condom failed in 1.37% of uses, no more than thicker ones (Esclassan, 2025). That is why I still recommend condoms to every patient at our sexual health clinic, even after a break.

Real life is different. Among Jamaican men attending an STI clinic with a discharge, 18.5% of the condoms they had used in the previous week broke (Steiner, 2007). And in India, 11.4% of female sex workers in Karnataka reported at least one condom break in a single month (Bradley, 2011).

These numbers are counted in different ways, so they cannot be compared exactly. But the pattern is clear: breaks are rare when people are taught to use condoms, and common when they are not.

1. Oil-based lubricants, including coconut oil

This is the cause I see most in Chennai. Coconut oil, baby oil, body lotion, petroleum jelly and many massage oils weaken latex.

In a study of young men at a US STD clinic, those who used an oil-based lubricant were more than three times as likely to have a condom break (Crosby, 2008). Oil-based lubricants were also linked with breakage in a study of gay and bisexual men in Atlanta (Hernández-Romieu, 2014).

2. Unrolling the condom before putting it on

Some men unroll the whole condom first and then try to pull it on like a sock. That stretches and weakens it. In the same US study, men who did this were also about three times as likely to report a break (Crosby, 2008).

Percentage of men reporting a break at last use, by how many of the two errors they made (oil-based lubricant, unrolling before putting on)

Neither error

12.8%

One error

33.3%

Both errors

54.5%

Source: Crosby R et al., 2008 (264 young African American men at a US STD clinic).

Among men who made both mistakes, more than half reported that the condom broke the last time they used one. Together, the two mistakes accounted for about 4 in 10 breaks. Neither needs any special equipment to fix: only a water-based lubricant and the right way to roll it on.

3. The wrong size

A condom that is too tight is under strain and can split. One that is too loose can slip off, especially when the erection softens, which can be treated.

In a study of 820 men, condoms fitted to the man’s size broke half as often as standard ones, 0.7% against 1.4% (Reece, 2008). But fitted condoms slipped off a little more often in some men, so hold the base when you withdraw.

4. Heat, friction and storage

A condom kept for months in a wallet, or in a car in the Chennai heat, is already damaged before you open it. The Jamaican men with frequent breaks named exactly these reasons: storage in the heat, rough handling while putting the condom on, and the wrong lubricants (Steiner, 2007).

5. Putting it on late, or taking it off midway

Adding a condom after sex has started, or removing it partway through, both predicted breakage in a US survey of college students (Butler, 2025). They also defeat the purpose, because contact before the condom goes on is already an exposure.

6. Inexperience, alcohol and rough or prolonged sex

In the Karnataka study, women were more likely to report breaks if they drank alcohol regularly or had never seen a condom demonstration, and especially if they were under 20 (Bradley, 2011). Mistakes in how condoms are used are common all over the world (Sanders, 2012). Very long or vigorous sex with too little lubrication adds strain too; if you wonder what is normal, read how long sex really lasts.

The checklist: how to stop a condom breaking

The good news is that this can be taught. After counselling, breakage reported by the Jamaican men fell to below 10% over six months (Steiner, 2007). These are the habits I teach every man who has had a break:

• Use a water-based or silicone-based lubricant. Never coconut oil, baby oil, lotion or petroleum jelly with a latex condom. Even some water-based products have not been tested well (Geibel, 2013), so choose one made for condoms.
• Put the condom on before any genital contact, and keep it on until you withdraw.
• Do not unroll it first. Place it on the tip, pinch the air out of the reservoir, and roll it down the full length.
• Choose the right size, neither tight nor loose.
• Store condoms cool and dry, not in a wallet or a hot car, and check the expiry date.
• Hold the base when you withdraw, and withdraw before the erection softens.
• Use one condom at a time. Health guidance advises against using two together.
• Use a new condom every time, and a new one if you switch between anal and vaginal sex.

A few more points, specific to my patients. If you are worried about finishing too quickly, read my guide to delay sprays before using any product together with a condom. And a tight foreskin that tears or bleeds during sex raises your risk with every exposure; it can be fixed, as I explain on my page on phimosis surgery.

Finally, most people use no condom at all for oral sex, which is why it spreads more infections than they expect. I cover that in my article on STDs from oral sex.

If one of these is what kept you from calling, it is not too late inside 72 hours. And after that, it is never too late to test.

Condom broke or unprotected sex: your questions answered

These are the questions men search for most. Short answers here; the detail is in the sections above.

The bottom line

When a condom breaks, most men find out only after finishing, so treat it as unprotected sex. Wash gently, then act on the clock: PEP within 72 hours, emergency contraception within 5 days, and tests at about 2 weeks, 4 to 6 weeks and 12 weeks.

Until your 12-week test is clear, use a condom every time, including with your wife or regular partner. Then fix the cause: water-based lubricant, the condom on early, rolled correctly, the right size and stored well. Most breaks never need to happen.

I hope this helped. This is Dr Shah, consultant andrologist in Chennai.

If it happened to you, call me. Nothing you say leaves the room.

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References

1. Tanner MR, et al. Antiretroviral Postexposure Prophylaxis After Sexual, Injection Drug Use, or Other Nonoccupational Exposure to HIV – CDC Recommendations, United States, 2025. 2025. PMID 40331832.
2. Zhang Y, et al. Efficacy and safety of emergency contraception interventions: a systematic review and Bayesian network meta-analysis. 2026. PMID 41219058.
3. Tsai CC, et al. Effectiveness of postinoculation (R)-9-(2-phosphonylmethoxypropyl) adenine treatment for prevention of persistent simian immunodeficiency virus SIVmne infection depends critically on timing of initiation and duration of treatment. 1998. PMID 9557716.
4. Cardo DM, et al. A case-control study of HIV seroconversion in health care workers after percutaneous exposure. Centers for Disease Control and Prevention Needlestick Surveillance Group. 1997. PMID 9366579.
5. McAllister JW, et al. Dolutegravir with tenofovir disoproxil fumarate-emtricitabine as HIV postexposure prophylaxis in gay and bisexual men. 2017. PMID 28301425.
6. Carrillo I, et al. Characteristics and rates of infection by HIV in people receiving non-occupational post-exposure prophylaxis (nPEP) against HIV. 2024. PMID 38744451.
7. Bryant J, et al. Non-occupational postexposure prophylaxis for HIV: a systematic review. 2009. PMID 19236820.
8. Gan L, et al. Safety and adherence of bictegravir/emtricitabine/tenofovir alafenamide for HIV post-exposure prophylaxis among adults in Guiyang China: a prospective cohort study. 2024. PMID 38844855.
9. Aspinall EJ, et al. Hepatitis B prevention, diagnosis, treatment and care: a review. 2011. PMID 22114089.
10. Schofield CB. Some factors affecting the incubation period and duration of symptoms of urethritis in men. 1982. PMID 7082980.
11. Bottone PD, et al. Diagnosing Acute HIV Infection. 2017. PMID 28192577.
12. Guiraud V, et al. Fourth generation HIV rapid diagnostic test: Adequate sensitivity in HIV primary infection settings?. 2026. PMID 41343898.
13. Molina JM, et al. Doxycycline prophylaxis and meningococcal group B vaccine to prevent bacterial sexually transmitted infections in France (ANRS 174 DOXYVAC): a multicentre, open-label, randomised trial with a 2 × 2 factorial design. 2024. PMID 38797183.
14. Yamamoto S, et al. Doxycycline postexposure prophylaxis for sexually transmitted infections: A systematic review and meta-analysis with trial sequential analysis. 2026. PMID 42612786.
15. Koch M, et al. FIGO statement on emergency contraception. 2026. PMID 42704015.
16. Gaio GS, et al. Comparison of levonorgestrel in different forms and copper intrauterine devices for emergency contraception: A systematic review and meta-analysis. 2025. PMID 39701010.
17. Nourse SE, et al. Estimating emergency contraception efficacy with levonorgestrel and copper intrauterine devices. 2025. PMID 40368317.
18. Edelman A, et al. Emergency contraception for individuals weighing 80 kg or greater: A randomized trial of 30 mg ulipristal acetate and 1.5 mg or 3.0 mg levonorgestrel. 2024. PMID 38663539.
19. Walsh TL, et al. Effectiveness of the male latex condom: combined results for three popular condom brands used as controls in randomized clinical trials. 2004. PMID 15504381.
20. Gray J, et al. Condom Failure Among HIV-Negative Men in Serodiscordant Relationships in Australia, Brazil, and Thailand. 2024. PMID 39046613.
21. Patel P, et al. Estimating per-act HIV transmission risk: a systematic review. 2014. PMID 24809629.
22. Hooper RR, et al. Cohort study of venereal disease. I: the risk of gonorrhea transmission from infected women to men. 1978. PMID 707474.
23. Lewis J, et al. Genital Chlamydia trachomatis Infections Clear More Slowly in Men Than Women, but Are Less Likely to Become Established. 2017. PMID 28838150.
24. Magaret AS, et al. Effect of Condom Use on Per-act HSV-2 Transmission Risk in HIV-1, HSV-2-discordant Couples. 2016. PMID 26578538.
25. Winer RL, et al. Condom use and the risk of genital human papillomavirus infection in young women. 2006. PMID 16790697.
26. Mahiane SG, et al. Transmission probabilities of HIV and herpes simplex virus type 2, effect of male circumcision and interaction: a longitudinal study in a township of South Africa. 2009. PMID 19198042.
27. Mehta KS, et al. Male circumcision and Sexually transmitted Infections – An update. 2021. PMID 34765930.
28. Pandey A, et al. Sustained progress, but no room for complacency: Results of 2015 HIV estimations in India. 2017. PMID 29168464.
29. Sakkaravarthi V, et al. Venereophobia – A comprehensive review. 2025. PMID 40546383.
30. Li YL, et al. [An analysis of clinical characteristics of forty-six AIDS phobia patients]. 2011. PMID 22093555.
31. Esclassan F, et al. Comparative performance of ultrathin and standard latex condoms: A randomized multicentre trial. 2025. PMID 40414480.
32. Steiner MJ, et al. Decreased condom breakage and slippage rates after counseling men at a sexually transmitted infection clinic in Jamaica. 2007. PMID 17362708.
33. Bradley J, et al. Determinants of condom breakage among female sex workers in Karnataka, India. 2011. PMID 22376237.
34. Crosby R, et al. An event-specific analysis of condom breakage among African American men at risk of HIV acquisition. 2008. PMID 18090176.
35. Hernández-Romieu AC, et al. How often do condoms fail? A cross-sectional study exploring incomplete use of condoms, condom failures and other condom problems among black and white MSM in southern U.S.A. 2014. PMID 25080511.
36. Reece M, et al. Breakage, slippage and acceptability outcomes of a condom fitted to penile dimensions. 2008. PMID 17971373.
37. Butler SM, et al. Condom Acquisition, Errors, and Breakage among U.S. Cisgender College Students. 2025. PMID 39304605.
38. Sanders SA, et al. Condom use errors and problems: a global view. 2012. PMID 22348636.
39. Geibel S. Condoms and condiments: compatibility and safety of personal lubricants and their use in Africa. 2013. PMID 23841994.