Can I Get Pregnant? Ovulation and Risks - Obstetrics and Gynecology

Q: Can I Get Pregnant? Ovulation and Risks

Hello： If your girlfriend's menstrual cycle has been regular, approximately 28 to 30 days, then her ovulation day would likely be around November 28 to 30. <br>Theoretically, December 4 should fall within the safe period, and since there was no ejaculation, only a small amount of

Can I get pregnant?

Hello, doctor: My girlfriend's last menstrual period started on November 15 and lasted for 5 days.
On December 4, we had unprotected intercourse, but there was no ejaculation; I only inserted for about 1 minute, and there was some pre-ejaculatory fluid.
Could you please tell me if she had already ovulated by December 4? What is the likelihood of pregnancy? Does she need to take emergency contraception? I hope you can explain in detail, as I am very worried.
Thank you, doctor.

zero zero zero eight, 10~19 year old female. Ask Date: 2020/12/07

Dr. Huang Yiwen reply Obstetrics and Gynecology

Hello: If your girlfriend's menstrual cycle has been regular, approximately 28 to 30 days, then her ovulation day would likely be around November 28 to 30.
Theoretically, December 4 should fall within the safe period, and since there was no ejaculation, only a small amount of pre-ejaculatory fluid, the likelihood of conception is low.
Additionally, emergency contraception must be taken within 48 hours to be effective, and you have already exceeded that timeframe.
I suggest you don't worry too much and patiently wait for your girlfriend's next menstrual period.
If it is late, then you can take a urine test to check.

Reply Date: 2020/12/07

More Info

When considering the possibility of pregnancy, understanding the timing of ovulation and the risks associated with unprotected intercourse is crucial. Based on your girlfriend's last menstrual period starting on November 15 and lasting for five days, we can estimate her ovulation window. Typically, ovulation occurs about 14 days before the start of the next menstrual period. If her cycle is regular and approximately 28 days long, ovulation would likely occur around November 29 to December 1.
On December 4, if you engaged in unprotected intercourse, it is possible that she had already ovulated, but sperm can survive in the female reproductive tract for up to five days. Therefore, if she ovulated on or around November 29, there is a chance that sperm from intercourse on December 4 could still fertilize an egg if ovulation occurred later than expected.
Regarding the likelihood of pregnancy, it is important to note that the risk is not solely dependent on the timing of ovulation but also on the presence of sperm. Even if ejaculation did not occur, pre-ejaculatory fluid (often referred to as "pre-cum") can contain sperm. While the concentration is typically lower than in ejaculate, there is still a risk of pregnancy.

If you are concerned about the possibility of pregnancy, it is advisable to consider emergency contraception (commonly referred to as the "morning-after pill"). This can be effective if taken within 72 to 120 hours after unprotected intercourse, depending on the specific type of pill. However, the sooner it is taken, the more effective it will be.
In terms of emotional and psychological well-being, it is understandable to feel anxious about the potential for pregnancy, especially if it was not planned. Open communication with your girlfriend about your concerns and feelings is essential. Discussing the situation together can help both of you make informed decisions moving forward.

If your girlfriend does not get her period within a week of the expected date, it would be wise for her to take a home pregnancy test for confirmation. If the test is positive, or if there are any concerns about her health or the pregnancy, consulting a healthcare provider is recommended. They can provide guidance on the next steps, whether that involves prenatal care or discussing options if the pregnancy is unplanned.

In summary, while there is a possibility of pregnancy from the encounter on December 4, the actual risk depends on several factors, including the timing of ovulation and the presence of sperm. If there are concerns about potential pregnancy, considering emergency contraception and consulting a healthcare provider can help address those worries effectively.

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