Concerns About Pregnancy: Risks After Unprotected Intercourse

Worried about the possibility of being pregnant?

Hello, doctor.
I would like to ask...
My last menstrual period started on January 20, and the one before that started on February 23.
Recently, I have been drinking alcohol with my boyfriend.
On March 13, we used a condom, and he ejaculated inside it.
On March 15, we started with a condom, but it came off shortly after, and he withdrew.
On March 16, we initially used a condom, but he went to the bathroom, and then he withdrew again.
On March 18, we started with a condom, but it came off again, and he withdrew.
He keeps asking me if my period has started because my breasts have been very swollen.
I noticed significant breast swelling and cravings starting on March 17, and today, March 19, my breasts are still very swollen.
I am worried about the possibility of pregnancy, and I haven't taken emergency contraception.
He mentioned that when he drinks alcohol, he finds it hard to control withdrawal, but I saw that he withdrew outside.
I'm just very concerned that he might have leaked a few drops inside me.
Is there a possibility of pregnancy? Last year in September, I took RU-486; does that affect the chances of getting pregnant now?

Chen Xiaoyu, 20~29 year old female. Ask Date: 2016/03/19

Dr. Cao Guotao reply Obstetrics and Gynecology

Hello, if you are wondering about pregnancy, it is best to take preventive measures beforehand.
If your period is more than a week late, it is advisable to see a gynecologist.
Wishing you good health.

Reply Date: 2016/03/19

More Info

When it comes to concerns about pregnancy following unprotected intercourse, it is essential to understand the various factors that can influence the likelihood of conception. Based on your description, it appears that you have had multiple instances of sexual activity with varying degrees of protection, which raises valid concerns about the possibility of pregnancy.

Firstly, let’s clarify the timeline of your menstrual cycle. You mentioned that your last menstrual period started on February 23, and your previous cycle began on January 20. This suggests that your cycles are approximately 28-33 days long, which is relatively normal. Ovulation typically occurs about 14 days before the start of your next period. Therefore, if your cycle is consistent, you would likely ovulate around March 9-10. Engaging in sexual activity around this time, especially without reliable contraception, increases the risk of pregnancy.

In your case, you indicated that you had unprotected intercourse on March 13, and subsequent instances where the condom either slipped or was removed. The concern about pre-ejaculate fluid (pre-cum) is valid, as it can contain sperm and lead to pregnancy even if ejaculation does not occur inside the vagina. The fact that you experienced breast tenderness and cravings shortly after these events can be indicative of hormonal changes, which may or may not be related to pregnancy.

Given that you have not taken emergency contraception (like Plan B) after these incidents, it is advisable to consider taking a pregnancy test if your period is late. Most home pregnancy tests are accurate about a week after a missed period. If you experience any unusual symptoms, such as severe abdominal pain or unusual bleeding, it is crucial to seek medical attention promptly.

Regarding your previous use of RU-486 (mifepristone), it is primarily used for medical abortion and does not affect future fertility. If you are considering pregnancy after using this medication, it is generally safe to conceive once your menstrual cycle returns to normal, which can vary from person to person.

In summary, the risk of pregnancy in your situation is present, particularly due to the instances of unprotected intercourse and the potential for sperm exposure through pre-ejaculate. Monitoring your menstrual cycle and taking a pregnancy test if your period is delayed will provide clarity. If you have further concerns about contraception or pregnancy, consulting with a healthcare provider is highly recommended. They can provide personalized advice and discuss options for reliable contraception moving forward, ensuring that you feel secure and informed about your reproductive health.

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