Pregnancy Risks After Incomplete Intercourse: Key Insights

Unprotected intercourse but less than five thrusts, with only half of the glans entering the vagina?

On the morning of the 14th, there was sexual intercourse, and a condom was initially used.
However, due to tightness, only about half of the glans penetrated the vagina.
After removing the condom, another attempt was made, but again only half of the glans entered the vagina.
The intercourse lasted less than five thrusts before finishing.
Later, a wet wipe was used to clean the inside of the vagina to about one finger's depth.
The next day, on the 15th, menstruation started and lasted for seven days.
The amount and color of the blood were similar to the previous month.
I am unsure about the percentage chance of pregnancy in this situation and am very worried.
Please help me, doctor.
🙏

Ha, 10~19 year old female. Ask Date: 2020/12/21

Dr. Huang Zifei reply Obstetrics and Gynecology

Dear Ha,
Based on your description, it seems that you engaged in sexual intercourse during the safe period.
Given that this occurred the day after your menstrual period, the likelihood of pregnancy is very low.
However, please monitor your next menstrual cycle, and if it is delayed by a week, it is advisable to take a pregnancy test.
If you have any other concerns, please consult a gynecologist.

Dr.
Huang Zifei, Department of Obstetrics and Gynecology, Nantou Hospital

Reply Date: 2020/12/21

More Info

Understanding the risks of pregnancy after incomplete intercourse is a common concern, especially for those who are trying to avoid unintended pregnancies. In your situation, it appears that you engaged in sexual activity with some precautions, but there are still questions about the likelihood of pregnancy given the circumstances.

Firstly, it’s important to understand how pregnancy occurs. Pregnancy typically happens when sperm fertilizes an egg, which usually occurs during ovulation. Sperm can survive in the female reproductive tract for several days, so the timing of intercourse in relation to ovulation is crucial. If you had intercourse on the 14th and your menstrual cycle began the next day, it is likely that you were not in your fertile window, assuming you have a regular cycle. Most women ovulate about 14 days before their next period starts, so if your cycle is regular, the chances of being fertile on the 14th would be low.

Regarding the specifics of your encounter, since you mentioned that penetration was limited and that you used a condom initially, the risk of pregnancy is significantly reduced. Condoms are effective at preventing sperm from entering the vagina, and even if there was some exposure, the fact that penetration was incomplete further lowers the risk. Additionally, the presence of menstrual bleeding the following day is a strong indicator that you are not pregnant, as menstruation typically signifies that an egg was not fertilized.

However, it is essential to note that no contraceptive method is 100% effective, and there is always a small risk of pregnancy with any sexual activity. If you are still concerned about the possibility of pregnancy, consider taking a home pregnancy test if your next period is late. These tests are quite accurate when taken after a missed period.

If you find yourself frequently anxious about pregnancy risks, it may be beneficial to consult with a healthcare provider about more reliable contraceptive methods. Options include hormonal birth control, intrauterine devices (IUDs), or other barrier methods that can provide more consistent protection.

In summary, given the details you provided, the likelihood of pregnancy from the described sexual activity appears to be low, especially since menstruation followed shortly after. If you have further concerns or experience any unusual symptoms, it is advisable to seek medical advice for peace of mind and to discuss your contraceptive options.

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