Pregnancy Risks After Unprotected Contact: Your Questions Answered

Probability of Pregnancy

Hello doctor, on July 13, I gave my boyfriend a handjob, but I'm not sure if there was any semen on his hands, and even if there was, it might have been very little.
After that, he touched the sofa and then inserted his fingers into my vagina.
I took emergency contraception within 24 hours, but now it's the 22nd (I've been very anxious about the possibility of pregnancy since taking the pill, so I haven't slept well).
My period still hasn't arrived.
Is there a chance I could be pregnant? (Currently, I have some uterine cramping, and my discharge has increased slightly, which are symptoms I usually experience before my period.)

Chen Ziting, 10~19 year old female. Ask Date: 2022/07/22

Dr. Zhang Kunmin reply Obstetrics and Gynecology

Hello, the effectiveness of emergency contraceptive pills taken within 72 hours after intercourse is about 97%, but it is not 100%, with a failure rate of approximately 3%.
Additionally, early pregnancy does not always present specific symptoms, and subjective symptoms cannot be used to make a determination.
It is recommended to take a pregnancy test if your period is more than a week late.
Thank you! Wishing you peace and health.
Dr.
Zhang

Reply Date: 2022/07/22

More Info

When it comes to understanding the risks of pregnancy after unprotected sexual contact, it is essential to consider several factors, including the timing of the encounter, the effectiveness of emergency contraception, and the physiological changes that may occur in the body.

In your situation, you engaged in sexual activity on July 13, and you took emergency contraception (the "morning-after pill") within 24 hours. Emergency contraceptive pills (ECPs) are designed to prevent pregnancy after unprotected intercourse, and they are most effective when taken as soon as possible after the event. The effectiveness of ECPs decreases the longer you wait, but taking them within 72 hours can still significantly reduce the risk of pregnancy.

Given that you took the emergency contraceptive pill promptly, the likelihood of becoming pregnant is relatively low. However, it is important to note that no contraceptive method is 100% effective, and there is still a small chance of pregnancy, especially if ovulation occurred around the time of the sexual activity.
You mentioned that your menstrual period has not yet arrived, which can understandably cause anxiety. It is not uncommon for menstrual cycles to be disrupted after taking emergency contraception. ECPs can cause changes in your menstrual cycle, including delayed periods, irregular bleeding, or even changes in the flow and duration of your next period. The symptoms you are experiencing, such as increased vaginal discharge and a sensation of uterine discomfort, can also be attributed to hormonal fluctuations caused by the emergency contraceptive pill.

If your period does not arrive within a week of when you expect it, it is advisable to take a home pregnancy test for reassurance. These tests are generally reliable and can provide you with a clearer answer regarding whether or not you are pregnant. If the test is positive, or if you continue to have concerns about your symptoms, it is important to consult with a healthcare provider for further evaluation and guidance.

In summary, while the risk of pregnancy after your described encounter is low due to the timely use of emergency contraception, it is essential to monitor your body and take a pregnancy test if your period is delayed. If you have any further concerns or questions, do not hesitate to reach out to a healthcare professional for personalized advice and support. Remember, it is always better to seek clarification and reassurance when it comes to reproductive health.

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