Missed Period After Taking Menstrual Induction Pills: What to Do Next? - Obstetrics and Gynecology

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After taking the menstrual induction medication, the period still hasn't arrived?


My last menstrual period started on August 4th.
I had sexual intercourse with my boyfriend on August 15th, and we used a condom throughout the entire act (which I also checked to ensure it didn't break).
However, my period did not arrive after September 4th, so on September 12th, I visited a gynecologist for a urine test and an ultrasound to confirm that I was not pregnant.
The doctor prescribed me a 5-day course of medication to induce menstruation, stating that I should expect my period between September 19th and 23rd.
Now it is the 25th, and there are no signs of menstruation.
I would like to know the possibility of pregnancy, whether I should return to the gynecologist for a follow-up, or if I should wait a bit longer for my period to arrive.

Mao Mao Miao, 20~29 year old female. Ask Date: 2022/09/25

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, you should not be pregnant.
Wait a little longer, and if your period still does not come, I recommend seeing a gynecologist.
Wishing you good health.

Reply Date: 2022/09/25

More Info


When dealing with a missed period after taking menstrual induction pills, it is essential to approach the situation with a clear understanding of the possible causes and next steps. Given your timeline, you had your last menstrual period on August 4, engaged in protected intercourse on August 15, and subsequently missed your expected period in September. After consulting with a gynecologist on September 12, you were prescribed menstrual induction pills, which typically work to stimulate the onset of menstruation.

Firstly, it is important to note that menstrual induction pills can take some time to work, and their effectiveness can vary from person to person. While your doctor indicated that you might expect your period to arrive between September 19 and 23, it is not uncommon for there to be variations in timing, especially if your body is adjusting to hormonal changes. Factors such as stress, changes in weight, illness, or hormonal imbalances can also affect your menstrual cycle and delay the onset of your period.

Regarding the possibility of pregnancy, since you engaged in protected intercourse and confirmed that the condom did not break, the likelihood of pregnancy is relatively low. However, no contraceptive method is 100% effective, and it is always wise to consider the possibility, especially if your period is significantly delayed. The urine test you took on September 12 would have been able to detect pregnancy if it had occurred, but if you are still concerned, a follow-up pregnancy test could provide additional reassurance.

If your period does not arrive soon, it is advisable to return to your gynecologist for further evaluation. They may want to perform additional tests, such as blood tests to check hormone levels, or an ultrasound to assess your reproductive health. It is also essential to discuss any other symptoms you may be experiencing, such as pain, unusual discharge, or significant changes in your health.

In summary, while it is possible that your missed period is a result of the menstrual induction pills and other factors affecting your cycle, it is prudent to monitor your situation closely. If your period does not arrive within a week or if you have any concerns about your health, do not hesitate to seek further medical advice. Your gynecologist can provide personalized guidance based on your medical history and current situation.

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