Menstrual Cycles After Inducing Periods and Folic Acid Use - Obstetrics and Gynecology

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After inducing menstruation, engage in sexual intercourse and take folic acid?


The menstrual cycle is approximately 32 days, with the last period starting on September 20.
However, it came about 10 days early, so it was expected to start around October 21.
It is now 8 days late, and pregnancy has been ruled out.
Today, a menstrual induction injection was administered, and intercourse has occurred.
Folic acid is being taken.
I would like to know when to expect my period, when ovulation will occur, and when it is appropriate to take traditional Chinese medicine to assist with conception.

Niming, 20~29 year old female. Ask Date: 2019/10/29

Dr. Huang Yiwen reply Obstetrics and Gynecology


Hello, Miss Anonymous: Generally, after receiving an injection to induce menstruation, your period should arrive within about a week.
If your menstrual cycle becomes irregular, it can be difficult to predict ovulation, so it may be helpful to perform a urine test or an ultrasound at the appropriate time.
In theory, taking traditional Chinese medicine to assist with fertility can be done at any time; for more detailed information, you may want to consult a Chinese medicine practitioner.

Reply Date: 2019/10/29

More Info


Understanding menstrual cycles can be quite complex, especially after inducing periods and considering the use of supplements like folic acid. Based on your situation, let's break down the various components involved.

Firstly, your menstrual cycle is approximately 32 days long, with your last period starting on September 20. If your cycle is regular, you would typically expect your next period around October 21. However, since you mentioned that your period was delayed by 8 days, it is important to consider that various factors can influence the timing of your menstrual cycle, including stress, hormonal changes, and any medications you may be taking.

You mentioned that you received an injection to induce your period. This is often done to help regulate the menstrual cycle or to bring on a period when it is delayed. The timing of your next period after receiving such an injection can vary depending on the type of medication used. Generally, after an injection to induce menstruation, you can expect your period to start within a few days to a week. However, individual responses can vary, so it is not uncommon for some women to experience a delay even after induction.

Regarding ovulation, it typically occurs about 14 days before the start of your next period. In a regular 32-day cycle, ovulation would usually happen around day 18 of your cycle. If your cycle is disrupted due to the injection or other factors, predicting ovulation can be more challenging. You can track ovulation through various methods, such as monitoring basal body temperature, observing changes in cervical mucus, or using ovulation predictor kits.

As for taking folic acid, it is a crucial supplement for women who are trying to conceive, as it helps prevent neural tube defects in the developing fetus. It is generally recommended to start taking folic acid at least one month before trying to conceive and to continue through the first trimester of pregnancy. If you are planning to use traditional Chinese medicine (TCM) to assist with conception, it is advisable to consult with a qualified practitioner who can provide personalized recommendations based on your health status and menstrual cycle.

In summary, after inducing your period, you can expect your next menstrual cycle to start within a week or so, depending on your body's response to the injection. Ovulation would typically occur around 14 days before your next expected period, but this can vary. Folic acid is beneficial for conception, and if you are considering TCM, consulting with a professional is recommended. Always keep in close communication with your healthcare provider regarding any changes in your menstrual cycle or if you have concerns about fertility.

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