Emergency Contraceptive Pills: What You Need to Know After Unprotected Sex

Emergency contraceptive pill

Hello Doctor, I would like to inquire about an incident that occurred with my girlfriend.
We had intercourse on July 20 at 12:00 AM, and I immediately noticed that the condom had a hole (although I withdrew before ejaculation, I am aware that pre-ejaculate fluid may have leaked).
Therefore, we went to a nearby 24-hour pharmacy and purchased the first-generation emergency contraceptive pill "Postinor," which I took about one to two hours after the intercourse.
My girlfriend's last two menstrual periods were from May 16 to May 21 and from June 29 to July 4.
I apologize for bothering you, but I have a few questions:
1.
Since only the first-generation emergency contraceptive was available at that time, I felt it would be too long to wait until the morning (about 9-10 hours later) to take the second-generation pill.
I have heard that these medications are more effective the sooner they are taken, but I later learned that there is a difference in efficacy between the two types.
Did my decision to take the first-generation pill instead of waiting for the second-generation pill negatively affect the outcome?
2.
I checked a menstrual cycle app and found that ovulation was still about 8 days away from the time of intercourse.
Considering the timing of the emergency contraceptive taken within one to two hours after the event, what is the likelihood of pregnancy in this situation? Is there anything else we should do for protection to feel more at ease?
3.
I have purchased some oral supplements for my girlfriend.
Could you please recommend any fruits or foods that would help her regain her strength? I understand that emergency contraceptive pills may not be good for the body.
I appreciate your time and assistance in answering my questions.
Thank you very much.

L, 20~29 year old female. Ask Date: 2024/07/23

Dr. Cao Guotao reply Obstetrics and Gynecology

Hello, emergency contraception is effective within 48 hours, so you should not become pregnant.
You can continue to eat normally.
Wishing you good health!

Reply Date: 2024/07/23

More Info

When it comes to emergency contraception and the concerns surrounding unprotected sex, it's important to understand the mechanisms, timing, and effectiveness of emergency contraceptive pills (ECPs), as well as the implications of your specific situation.

1. Types of Emergency Contraceptive Pills: There are two main types of emergency contraceptive pills: Levonorgestrel (often referred to as Plan B or similar brands) and Ulipristal Acetate (Ella). Levonorgestrel is most effective when taken within 72 hours after unprotected intercourse, while Ulipristal can be effective up to 120 hours after. The earlier you take these pills, the better the chances of preventing pregnancy. Since you took the first-generation ECP shortly after the incident, you acted promptly, which is crucial.

2. Effectiveness Based on Timing: Given that you were approximately eight days away from your girlfriend's expected ovulation, the likelihood of pregnancy is reduced. Sperm can live inside the female reproductive tract for up to five days, but if ovulation has not occurred, the chances of fertilization are lower. The fact that you took the ECP within one to two hours of the incident further decreases the risk of pregnancy. However, it’s important to note that no contraceptive method is 100% effective, and the effectiveness of ECPs can vary based on where you are in your menstrual cycle.

3. Follow-Up Actions: After taking the ECP, it’s advisable for your girlfriend to monitor her menstrual cycle. If her period is delayed by more than a week, she should take a pregnancy test to confirm whether or not she is pregnant. Additionally, if she experiences any unusual symptoms or side effects from the ECP, she should consult a healthcare provider.

4. Nutritional Support: Regarding your concern about helping your girlfriend recover after taking the ECP, it’s good to focus on a balanced diet that includes fruits, vegetables, whole grains, and lean proteins. Foods rich in vitamins and minerals, particularly those high in Vitamin C (like citrus fruits), and iron (like leafy greens and legumes), can be beneficial. Staying hydrated and getting enough rest is also crucial for overall recovery and well-being.

5. Future Considerations: For future sexual encounters, consider discussing and implementing regular contraceptive methods, such as hormonal birth control, condoms, or other forms of contraception, to reduce anxiety and prevent unintended pregnancies. Communication with your partner about contraception and sexual health is key to ensuring both partners feel secure and informed.

In summary, while the risk of pregnancy in your situation appears to be low due to the timing of your girlfriend's ovulation and the prompt use of ECPs, it’s essential to remain vigilant and supportive. Encourage her to take a pregnancy test if her period is late and to consult a healthcare provider if she has any concerns. Taking care of her nutritional needs will also help her feel better after the stress of the situation.

Similar Q&A

Emergency Contraception: What You Need to Know After Unprotected Sex

Yesterday afternoon, I had intercourse with my boyfriend. We used a condom, but he realized at the end that he ejaculated inside, and the condom broke. I cleaned myself immediately afterward and took Plan B (Ella) half an hour later. I haven't experienced any bleeding or sid...

Dr. Lin Wenbin reply Obstetrics and Gynecology
The success rate of emergency contraceptive pills is not very high, so you should still consult a physician for follow-up.

Do You Need Emergency Contraception After Unprotected Sex?

On January 8, unprotected intercourse occurred, and on January 9, emergency contraception (Plan B) was taken. On January 10, unprotected intercourse happened again. Is there a need to take another dose of emergency contraception? What is the likelihood of pregnancy?

Dr. Tian Yiwen reply Obstetrics and Gynecology
Emergency contraceptive pills are effective only for sexual intercourse that occurred prior to taking the medication. They are intended for occasional use and can lead to menstrual irregularities if taken frequently. Therefore, they should only be used as a last resort for contra...

Emergency Contraceptive Pills: Do They Work After Unprotected Sex?

On July 13, there was unprotected intercourse with ejaculation, and the morning-after pill was taken three hours later. On July 14, there was unprotected intercourse without ejaculation and no additional medication was taken. Will this affect the effectiveness of contraception? S...

Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, it is advisable to consider taking emergency contraceptive pills just in case. Wishing you good health.

Emergency Contraceptive Pills: Concerns After Unprotected Intercourse

If you took the emergency contraceptive pill and then had unprotected intercourse within 20 hours, there is still a possibility of pregnancy. Emergency contraceptive pills are most effective when taken as soon as possible after unprotected sex, but they do not guarantee 100% effe...

Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, the chances of getting pregnant are generally not high, so it's better to take preventive measures for contraception beforehand during sexual activity. Wishing you good health.