Can You Get Pregnant from Unprotected Sex After Ejaculation?

Is it possible to get pregnant if ejaculation occurs a second time without using a condom?

That day, after having intercourse with my boyfriend and he ejaculated, about an hour later he wanted to have sex again.
This time we started with oral sex, and then we had intercourse without a condom, but my boyfriend pulled out before he ejaculated.
He waited a little while before he ejaculated.
I'm not sure if this could easily lead to pregnancy.

Niming, 20~29 year old female. Ask Date: 2016/02/15

Dr. Zhang Kunmin reply Obstetrics and Gynecology

Hello, based on your description, the chances of pregnancy are not low.
I recommend that you quickly use emergency contraception (such as emergency contraceptive pills or an intrauterine device).
If your period is more than a week late, you should still take a urine test to check for pregnancy.
Thank you! Wishing you safety and health, Dr.
Zhang.

Reply Date: 2016/02/15

More Info

When it comes to the question of whether you can get pregnant from unprotected sex after ejaculation, the answer is yes, there is a possibility of pregnancy. To understand this better, let's break down the situation.

During sexual intercourse, when ejaculation occurs, sperm is released into the vagina. Sperm can survive in the female reproductive tract for up to five days, depending on the conditions. This means that if you have unprotected sex shortly after your partner has ejaculated, there may still be viable sperm present in the reproductive tract, which can lead to pregnancy if ovulation occurs within that timeframe.

In your specific scenario, you mentioned that after your boyfriend ejaculated, there was a subsequent sexual encounter about an hour later, during which he performed oral sex and then engaged in intercourse without a condom. Even though he pulled out before ejaculation, the risk of pregnancy still exists. This is because pre-ejaculate fluid (pre-cum) can contain sperm, and if any sperm were present in that fluid, it could potentially lead to pregnancy.

The withdrawal method, or "pulling out," is not a reliable form of contraception. Studies have shown that even with perfect use, the withdrawal method has a failure rate of about 4%, but with typical use, the failure rate can be as high as 22%. This means that many couples who rely on this method may find themselves facing unintended pregnancies.

If you are concerned about the possibility of pregnancy, it is advisable to take a home pregnancy test if your period is late or to consult with a healthcare provider for further guidance. Additionally, if you are not planning to become pregnant, consider discussing more reliable forms of contraception with your partner. Options include hormonal birth control methods (like pills, patches, or IUDs), barrier methods (like condoms), or long-acting reversible contraceptives (like implants or IUDs).

In summary, while the chances of getting pregnant from unprotected sex after ejaculation are not guaranteed, they are certainly present, especially if there is any sperm involved in the subsequent sexual activity. It is always best to use reliable contraception to prevent unintended pregnancies and to protect against sexually transmitted infections (STIs). If you have further questions or concerns about your reproductive health or contraception options, don't hesitate to reach out to a healthcare professional for personalized advice.

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