What are the chances of getting pregnant from precum while on birth control

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If on birth control can you get pregnant from precum?

Obstetrics and Gynecology 11 years experience

Low possibility: Birth control when taken as prescribed with perfect compliance (ie- not missing any days) have 0.3% failure rate whereas in an general population ther... Read More

6.1k viewsAnswered >2 years ago

Urology 21 years experience

Unlikely: Fluid prior to ejaculation comes from a gland in the urethra so it rarely contains sperm but can especially if the man recently ejaculated. Also, some... Read More

6.1k viewsReviewed >2 years ago

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Sex is great, but it can often be pegged as a taboo topic because of the many unwanted consequences that could come as a result of it. Sometimes it feels like there are so many ways in which sex can go wrong. The condom could break, you could forget to take the pill, or your birth control doesn't end up providing the protection you assumed it would. Sometimes, you may not even use a contraceptive at all, instead opting for the pullout method to protect you. But, as you probably already know, that's not the most effective form of birth control, mostly because of something called precum (or pre-ejaculation as One Medical Provider Dr. Natasha Bhuyan calls it). To learn more about precum and the chances that it could get you pregnant, I talked to Dr. Bhuyan to answer all your burning questions.

What is precum?

You might be asking, what even is precum? Basically, it's exactly what is sounds like. Precum is the "fluid that comes out of the penis during arousal," Dr. Bhuyan explains, before the sought after orgasm and ejaculation. While it's main intention is to act as a lubricant during sex, precum can carry some sperm, which is where people often run into a problem.

Can you get pregnant from it? What are the chances?

When a couple engages in the pullout method as a form of birth control, they aren't taking into account the sperm that is in precum. So, if you’re having sex with someone who has a penis and it’s removed before ejaculation, precum will have already been released, meaning there will be sperm inside the vagina. Dr. Bhuyan estimates that there is around a 14-24% chance that you can get pregnant from precum, even if you do pull out.

How can you prevent precum from causing an unwanted pregnancy?

The only way to prevent precum (or any cum, for that matter) from causing an unwanted pregnancy is by using a reliable form of birth control. Dr. Bhuyan suggests the pill, an IUD, a patch, or whatever you are comfortable with. She also states that it is important to use a condom "anytime there is contact between the vagina and penis." While this won't completely eliminate you chances of getting pregnant, it will decrease them greatly.

If you have any other questions, reach out to your doctor. They will be sure to help you out by answering even your most embarrassing questions professionally and honestly.

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Carolyn Twersky is an associate editor for Seventeen covering celebrities, entertainment, politics, trends, and health. On her off time, she's probably watching Ru Paul's Drag Race, traversing NYC for the best donuts, or, most likely, enjoying time in her favorite place in the world: her bed. 

Top things to know about getting pregnant from precum

• Precum can carry a risk of pregnancy

• The withdrawal method is not considered effective in preventing pregnancy

Many people ask themselves, “Can I get pregnant from precum?”. The short answer is yes.

To understand the likelihood of pregnancy from precum (pre-ejaculate), we first have to define the effectiveness of the pull-out method, the presence of sperm in precum, and for whom the withdrawal method is and is not recommended.

What is the withdrawal method?

The withdrawal method of contraception, also known as the “pull-out” method or coitus interruptus, is a form of birth control where one partner removes their penis from the other partner’s vagina and away from their partner’s genitals before they ejaculate, which usually happens at or around the time of orgasm. In most healthy individuals, ejaculatory fluid (also known as “cum”) contains enough sperm to potentially get someone pregnant. By withdrawing, sperm should theoretically never reach their partner’s egg and pregnancy is not possible. No sperm, no problem.

Track your sexual activity with the Clue period tracker app.

Is the pull out method effective for preventing pregnancy?

The withdrawal method is generally not considered a very effective form of birth control. Out of every 100 people using only withdrawal as birth control, an estimated 20 to 27 of them will get pregnant within one year (1, 2). Even with theoretical “perfect-use”, an estimated 4 out 100 people would get pregnant within one year, but it can be difficult to use this method perfectly (1,2). Given that the withdrawal method should theoretically work (no sperm, no problem, right?), why do we see such high rates of pregnancy using this method?

One reason is that the withdrawal method is difficult for some to use. It can be easy to forget to withdraw in the moment, or someone may not realize they are about to ejaculate and withdraws too late (1,2). Withdrawing correctly, every time, requires a high degree of control and self-awareness from the withdraw-er, as well as a lot of trust from the withdraw-ee: the control of this method’s use is fully in the hands of one person, and there is no way to tell if it’s been practiced correctly after the fact.

A second, commonly-claimed, reason is that sperm may be present in pre-ejaculatory fluid, “precum” (3). Precum is released before cum as lubrication for sex and to help balance the acidity in urethra since the male urethra is used for both urination and for transmitting sperm. Whether precum contains sperm and whether that sperm could actually get someone pregnant are under-researched questions, and the results among studies don’t always agree (3-8). The short answer is yes, precum can release sperm, but this might not be the case for every person.

Is there sperm in precum (pre-ejaculate fluid)?

As of Spring 2019, there were only five studies looking at the sperm content of precum fluid. In two of these studies, none of the participants had sperm in their precum (6,7). In the other three studies, between 16 and 41 percent of participants had sperm in their precum (3–5). In these studies, the amount of sperm was low and not all of the sperm may have been able to fertilize an egg (3–5), but there would still be a risk of pregnancy.

There are a few reasons as to why the studies don’t agree. In one study, the researchers found that people who produced sperm in precum always had sperm in their precum, while people who didn’t produce sperm in their precum never did (3). Given that the sample sizes for all studies were small (all had less than 45 participants), it’s possible that, by random chance, some studies didn’t include participants that had sperm in their precum. Also, research methods and the laboratory tools used by the study differed, such that it’s possible sperm was destroyed in some cases, and therefore unable to be examined (3).

It’s a commonly reported idea that sperm in precum is “left-over” sperm from previous ejaculations and that if a person urinates prior to sex, they won’t have sperm in their precum (3). This doesn’t seem to be true.

In the study where 41% of participants had sperm in their precum, the researchers stated that all participants had urinated prior to giving their precum sample (3). This means that the sperm that was present in their precum was “new” sperm or, less likely, that urinating doesn’t entirely clear the urethra of sperm from previous ejaculate.

No sperm, no pregnancy, no problem?

The withdrawal method of birth control is popular, most likely because it’s free and doesn’t require pre-planning (you don’t need a prescription or need to go to the store ahead of time), but its use varies by age, race/ethnicity, and country (9,10). Also, it’s not more popular than other methods. In the United States, 6 in 10 women will use withdrawal at least once in their lifetime, but about 9 in 10 will use condoms at least once (9). In Europe, use of only the withdrawal method (without any other form of birth control) varies from about 1 out of 100 people to 33 out of 100 people, depending on the country, while intrauterine devices (IUDs) are used by 9 out of 100 to 24 out of 100 people (10). Also, not all people using the withdrawal method are using only this method; many use it in conjunction with condoms, spermicide and/or periodic abstinence (i.e. not having sex during specific times) (9,10).

Withdrawal can be an effective form of birth control for some people. Partners for whom withdrawal will work best are partners:

• Who know their bodies’ signs of an upcoming ejaculation,

• Who are self-disciplined enough to withdraw despite temptations not to

• Who trust one another to use the method as agreed, and communicate any errors

• And who do not produce sperm in their precum.

Although the first three conditions are things a person may be able to learn and work on, it’s impossible to tell without laboratory tests if a person has sperm in their precum.

Of course, pregnancy isn’t the only thing a person needs to worry about when it comes to sex. Even if a person doesn’t have sperm in their precum, precum can transmit human immunodeficiency virus (HIV) (1,6,7) and potentially other sexually transmitted infections (STIs).

If you’re thinking of using withdrawal with your partner(s), it’s a good idea to think about how comfortable you would be with a potential pregnancy and to get tested for STIs prior to use. If you and your partner(s) have both received clean laboratory tests for STIs (which is the only way for a sexually active person to know they and their partner don’t have an STI, since many STIs don’t have noticeable symptoms) and are okay with a potential pregnancy, then the withdrawal method might be a good fit for you. For extra protection, you could buy emergency contraception ahead of time and have it ready in your home in case the withdraw-er doesn’t pull out in time.

If you and/or your partner absolutely don’t want to get pregnant at this time (or at any time) and don’t know your STI status, the withdrawal method is probably not a good fit for you.

Regardless of what method of contraception or STI prevention you chose to use, you can use Clue to track your sex habits, signs of pregnancy, and symptoms of STIs.

Article was originally published on November 22, 2017.

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