the Effects of Menstrual Regulation Medications During Pregnancy Planning - Obstetrics and Gynecology

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I am currently trying to conceive, but I am taking medication to regulate my menstrual cycle?


Hello, doctor.
My menstrual period started on December 21 and ended on January 2.
I had sexual intercourse on January 5 without contraception.
After intercourse on January 2, I noticed a small amount of blood in my discharge.
On the evening of January 6, I visited a gynecologist, who said there was a tear in my private area and prescribed me a menstrual regulation medication (the medication name is Yousheng, active ingredient: Norethindrone) to take twice a day.
On the morning of January 7, I noticed a blood flow similar to the first day of my period.
I would like to ask what could be causing this.

Qianqian, 20~29 year old female. Ask Date: 2021/01/07

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, there seems to be something unusual.
It is recommended to see a gynecologist.
Wishing you good health.

Reply Date: 2021/01/07

More Info


When considering the effects of menstrual regulation medications, such as norethindrone, during pregnancy planning, it is essential to understand both the purpose of the medication and its potential implications for fertility and early pregnancy.

Norethindrone is a synthetic progestin commonly used to regulate menstrual cycles, treat endometriosis, and manage other hormonal imbalances. It works by mimicking the effects of natural progesterone, which is crucial for maintaining the menstrual cycle and supporting early pregnancy. However, when taken in the context of trying to conceive, there are several factors to consider.

Firstly, if you have recently taken norethindrone and are trying to conceive, it is important to note that this medication can affect your menstrual cycle. In your case, the presence of blood-like discharge after taking the medication could be attributed to several factors. It may indicate that the medication is working to regulate your cycle, or it could be a sign of a breakthrough bleed, which is not uncommon when starting hormonal treatments. Breakthrough bleeding can occur due to the body adjusting to the hormonal changes induced by the medication.

If you are actively trying to conceive, it is crucial to communicate with your healthcare provider about your plans. Norethindrone is generally considered safe for use in women who are trying to conceive, but it is typically recommended to stop taking it once pregnancy is confirmed. The reason for this is that while norethindrone can help regulate cycles, it is not necessary for maintaining a healthy pregnancy once conception occurs. In fact, continuing to take hormonal medications during early pregnancy can sometimes lead to confusion regarding the timing of pregnancy and may complicate the assessment of any potential issues.

In your situation, since you have had unprotected intercourse and are experiencing unusual bleeding, it would be wise to take a pregnancy test if your next period does not arrive as expected. If you are pregnant, you should inform your healthcare provider about the use of norethindrone, as they may want to monitor your pregnancy closely.

Moreover, it is essential to consider the timing of medication use in relation to conception. If you are planning to conceive, it is often recommended to allow your body to return to its natural hormonal rhythm after stopping any menstrual regulation medications. This can help ensure that your menstrual cycle is regular and that ovulation occurs as expected, increasing the chances of conception.

In summary, while norethindrone can be beneficial for regulating menstrual cycles, its use should be carefully managed when planning for pregnancy. If you experience any unusual symptoms or have concerns about your menstrual cycle or potential pregnancy, it is always best to consult with your healthcare provider for personalized advice and guidance. They can help you navigate the complexities of medication use and fertility, ensuring that you have the best possible outcome as you plan for a healthy pregnancy.

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