When Will My Period Start After Taking Menstrual Induction Pills?

After taking menstrual induction medication, when can one expect their period to arrive?

I had sexual intercourse on April 19, and the condom broke, so we stopped.
My menstrual cycle is 34 days, and my period was supposed to arrive on April 23, but it hasn't come yet.
On April 27, I visited a gynecologist, and the ultrasound showed that my uterus is thickened.
The urine test was negative, and the doctor prescribed me medication to induce my period.
Could I be pregnant? How long will it take for my period to come after taking the medication? (I am taking it four times a day, two pills each time.)

Niming, 10~19 year old female. Ask Date: 2020/04/29

Dr. Zhang Kunmin reply Obstetrics and Gynecology

Hello, based on your description, there is a possibility of pregnancy, as the failure rate of condoms when used correctly is still about 5%.
If they were not used consistently, the rate would be even higher.
Generally, it is not recommended to rely solely on condoms for contraception.
I suggest that if you do not get your period a week after finishing the medication, you should consult a physician to check for pregnancy.
Thank you! Wishing you safety and health.
Dr.
Chang

Reply Date: 2020/04/29

More Info

When it comes to menstrual induction pills, the timing of your period can vary based on several factors, including your individual hormonal balance, the specific medication prescribed, and how your body responds to it. Given your situation, where you had unprotected intercourse due to a condom failure and your menstrual cycle is typically 34 days, it’s understandable to be concerned about the possibility of pregnancy and the timing of your period.

Firstly, regarding the possibility of pregnancy: Since you had unprotected intercourse on April 19 and your period was expected around April 23, it is possible that you could be pregnant, especially if your cycle is usually regular. However, since you mentioned that you took a urine pregnancy test and it was negative, this reduces the likelihood of pregnancy, but it is not definitive. Pregnancy tests are most accurate when taken after a missed period, so if your period does not arrive soon, you may want to retest or consult your healthcare provider for a blood test, which can detect pregnancy earlier than a urine test.

Now, regarding the menstrual induction pills you were prescribed: These medications are typically designed to help regulate your menstrual cycle and can induce a period within a certain timeframe after starting the medication. The specific medication you are taking, the dosage, and your individual response can all influence when you might expect your period to start. Generally, many women may experience bleeding within a few days to a week after starting the pills, but this can vary.

Since you are taking the medication at a dosage of four times a day, it is important to follow your healthcare provider's instructions closely. If you do not experience any bleeding within a week after completing the course of the medication, or if you have any unusual symptoms, it is crucial to follow up with your healthcare provider. They may want to perform further evaluations to rule out any underlying issues, such as hormonal imbalances or other gynecological conditions.

In summary, while it is possible that you could be pregnant, the negative urine test and the use of menstrual induction pills suggest that your period may start soon. Most women can expect their period to begin within a few days to a week after starting the medication, but individual responses can vary. If you have any concerns or if your period does not start as expected, please consult your healthcare provider for further guidance and support. They can provide you with the most accurate information based on your specific situation and health history.

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