Could I Be Pregnant? Risks and Medication Effects

Ask the doctor if this could lead to pregnancy?

Your girlfriend's last menstrual period was from April 18 to April 24, with ovulation likely occurring around April 18 to 20.
On May 8, there was unprotected intercourse for a few minutes without ejaculation.
On May 13-14, protected intercourse occurred with ejaculation inside the condom (confirmed not to be broken).
On May 16, she visited a urologist due to an infection and was prescribed medications (Cephanmycin, Stoline Tablets, Urogen, Trand Capsules).

As of May 21, her period has not yet arrived.
You are inquiring about the possibility of pregnancy or if the medications could be causing a delay in her menstrual cycle.

There is a possibility of pregnancy from the unprotected intercourse on May 8, although the risk is lower due to the timing in relation to her ovulation.
The protected intercourse on May 13-14 should not pose a risk if the condom was intact.

Regarding the medications, some antibiotics and other medications can potentially affect the menstrual cycle, leading to delays.
It would be advisable for her to take a home pregnancy test for confirmation and consult with a healthcare provider for further evaluation regarding her menstrual cycle and the effects of the medications.

L, 20~29 year old female. Ask Date: 2023/05/21

Dr. Cao Guotao reply Obstetrics and Gynecology

Hello, you probably are not pregnant, but you can take a pregnancy test to confirm.
Wishing you good health.

Reply Date: 2023/05/21

More Info

When considering the possibility of pregnancy, it is essential to evaluate both the timing of potential conception and the impact of any medications taken during this period. Based on the information provided, your girlfriend's last menstrual period (LMP) was from April 18 to April 24, and she had unprotected intercourse on May 8, followed by protected intercourse on May 13-14. Given that her menstrual cycle typically ranges from 27 to 29 days, a missed period by May 21 could indicate a potential pregnancy, especially considering the timing of the unprotected intercourse, which was close to her ovulation window.

The medications your girlfriend took on May 16 for a urinary tract infection (UTI)—Cephanmycin, Stoline Tablets, Urogen, and Trand Capsules—are important to assess in terms of their potential effects on pregnancy. Generally, antibiotics like Cephanmycin are considered safe during pregnancy, but it is crucial to consult with a healthcare provider regarding specific medications, as some may have varying levels of safety based on the stage of pregnancy.
In terms of the missed period, it is possible that the stress of the situation, hormonal fluctuations, or the medications could contribute to a delay in menstruation. Stress can significantly impact the menstrual cycle, leading to irregularities. Additionally, some medications can affect hormonal balance, potentially delaying ovulation or menstruation.

To determine if pregnancy has occurred, the most reliable method is to take a home pregnancy test. These tests are designed to detect the hormone hCG (human chorionic gonadotropin), which is produced shortly after a fertilized egg attaches to the uterine lining. It is advisable to wait a few days after the expected date of the period for the most accurate results, as hCG levels may not be high enough to detect immediately after a missed period.

If the pregnancy test is positive, it is essential to schedule an appointment with a healthcare provider to discuss the next steps and any concerns regarding the medications taken. If the test is negative and the period does not arrive, it may be wise to consult a healthcare provider to explore other potential causes for the missed period.

In conclusion, while there is a possibility of pregnancy based on the timing of intercourse and the missed period, the medications taken for the UTI are unlikely to have caused a significant delay in menstruation. A home pregnancy test will provide clarity on the situation. Regardless of the outcome, it is always best to consult with a healthcare professional for personalized advice and guidance.

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