Can You Get Pregnant While Taking Progesterone? - Obstetrics and Gynecology

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Can I get pregnant?


If your menstrual period is expected around March 4th and you start taking progesterone from February 27th until your return on March 9th, having sexual intercourse between March 3rd and March 9th could potentially lead to pregnancy.
This is because progesterone can affect ovulation and the timing of your menstrual cycle.
If ovulation occurs later than usual due to the hormone, there is a possibility of becoming pregnant during that time.
It is advisable to consult with a healthcare provider for personalized advice regarding fertility and contraception.

AA, 30~39 year old female. Ask Date: 2017/03/01

Dr. Huang Jianzhong reply Obstetrics and Gynecology


Menstruation is expected around March 3rd or 4th.
Since I will be traveling abroad, I will start taking progesterone from February 27th until I return on March 9th.
If sexual intercourse occurs between March 3rd and March 9th, is it likely to result in pregnancy? Answer: It is unlikely to result in pregnancy.

Reply Date: 2017/03/01

More Info


When considering the question of whether you can get pregnant while taking progesterone, it's important to understand the role of progesterone in the menstrual cycle and pregnancy. Progesterone is a hormone that plays a crucial role in regulating the menstrual cycle and maintaining pregnancy. It is primarily produced by the ovaries after ovulation and helps prepare the uterine lining for a potential implantation of a fertilized egg.

If you are taking progesterone, especially in the form of medications like micronized progesterone (Utrogestan), it is typically prescribed to support the luteal phase of the menstrual cycle or to help maintain pregnancy in women who have a history of miscarriage or luteal phase defects. The administration of progesterone can help stabilize the uterine lining, making it more conducive for implantation if fertilization occurs.

In your scenario, if you start taking progesterone on February 27 and continue until March 9, and if your menstrual period is expected around March 4, the timing of sexual intercourse between March 3 and March 9 could potentially lead to pregnancy. This is because sperm can survive in the female reproductive tract for several days, and if ovulation occurs during this time, there is a chance for fertilization.

However, it is essential to note that taking progesterone does not prevent ovulation. If you are taking progesterone to regulate your cycle or support a potential pregnancy, it is crucial to follow your healthcare provider's guidance regarding the timing of intercourse. If you are trying to conceive, your doctor may recommend monitoring ovulation through methods such as ovulation predictor kits or ultrasound to better time intercourse for conception.

Additionally, if you are taking progesterone for a specific medical reason, such as a history of miscarriage or irregular cycles, it is vital to communicate with your healthcare provider about your plans to conceive. They can provide personalized advice based on your medical history and current treatment plan.

In summary, while taking progesterone does not inherently prevent pregnancy, the timing of your cycle and the administration of the hormone are critical factors. Engaging in sexual intercourse during the fertile window, which is typically a few days before and including the day of ovulation, increases the chances of conception. Always consult with your healthcare provider for tailored advice and to ensure that your treatment plan aligns with your goals for pregnancy.

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