Pregnancy Risks After Condom Failure and Emergency Contraception - Obstetrics and Gynecology

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Is it possible to become pregnant?


I had sexual intercourse with my girlfriend yesterday, and halfway through, I noticed that the condom broke.
I immediately pulled out and did not continue or ejaculate.
Afterwards, I bought and took an emergency contraceptive pill.
What is the likelihood of pregnancy in this situation? What if it was during her fertile window? Would she be at risk of becoming pregnant?

Niming, 10~19 year old female. Ask Date: 2017/06/17

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, the chances of pregnancy are low, but it is best to take preventive measures at all times and not to rely on the safe period.
If your period is more than a week late, it is advisable to see a gynecologist.
Wishing you good health.

Reply Date: 2017/06/17

More Info


When it comes to the risk of pregnancy after a condom failure, it's essential to understand a few key factors that can influence the likelihood of conception. In your situation, where you experienced a condom break during intercourse but withdrew before ejaculation, you have taken a proactive step by using emergency contraception (EC) shortly afterward.
Emergency contraception pills (ECPs) are designed to prevent pregnancy after unprotected intercourse or contraceptive failure. They work primarily by delaying or inhibiting ovulation, which means that if you take them before ovulation occurs, they can effectively reduce the chance of pregnancy. The effectiveness of ECPs is highest when taken as soon as possible after the incident, ideally within 72 hours, but some types can be taken up to 5 days later.

Now, regarding your question about the likelihood of pregnancy, several factors come into play:
1. Timing of Intercourse: If you had intercourse during your partner's fertile window (the days leading up to and including ovulation), the risk of pregnancy is higher. The fertile window typically spans about six days, ending on the day of ovulation. If you are unsure of your partner's cycle, this can complicate the assessment of risk.

2. Withdrawal Method: While you did withdraw before ejaculation, pre-ejaculate fluid (pre-cum) can contain sperm. Although the amount is usually low, it is still a potential risk factor for pregnancy.

3. Effectiveness of Emergency Contraception: The sooner you take the emergency contraception after the incident, the more effective it will be. If you took it promptly, your chances of preventing pregnancy are significantly improved.

4. Individual Factors: Each person's body responds differently to emergency contraception. Factors such as body weight, hormonal balance, and the timing of the menstrual cycle can influence how effective the pill will be.

In summary, while there is a risk of pregnancy after a condom failure, your immediate action of taking emergency contraception significantly reduces that risk, especially if taken promptly. If you are still concerned about the possibility of pregnancy, consider taking a pregnancy test about two weeks after the incident or consult with a healthcare provider for further guidance.

Additionally, if you and your partner are planning to be sexually active in the future, it may be beneficial to discuss more reliable long-term contraceptive methods to prevent similar situations. Options include hormonal birth control methods (like pills, patches, or IUDs), which can provide more consistent protection against unintended pregnancy.
Lastly, if your partner experiences any unusual symptoms or if there are concerns about the effectiveness of the emergency contraception, it is advisable to seek medical advice. Regular consultations with a healthcare provider can also help in understanding reproductive health and making informed choices about contraception.

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