Menstrual Delay Medications: FAQs and Effectiveness - Obstetrics and Gynecology

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Menstrual regulation medication


Hello Dr.
Zhong: I am going abroad for 10 days starting on October 21, and my menstrual period is expected around October 22.
Therefore, I purchased a medication to delay my period from the pharmacy.
The pharmacist advised me to start taking the medication about 3 days before my period is due.
I also consulted the staff about whether I need additional contraception, and they said that the medication provides contraceptive effects during use.
Is that true?
Q1: They mentioned that my period would come about 1 to 5 days after stopping the medication...
is that correct?
Q2: Additionally, if the medication does provide contraceptive effects, do I need to take any other contraceptive measures?

Mi Er~, 20~29 year old female. Ask Date: 2006/10/17

Dr. Zhong Wenzhen reply Obstetrics and Gynecology


After stopping the medication, menstruation will occur as expected.
Regarding contraception, it should be explained as follows: menstruation typically occurs around days 10 to 22, indicating that ovulation likely happens around days 10 to 8.
Therefore, the focus for contraception should be on taking medication during this period to delay the onset of menstruation, as ovulation has already occurred, and theoretically, conception should not happen.

Reply Date: 2006/10/17

More Info


Hello! It’s great that you’re seeking information about menstrual delay medications and their effectiveness. Let’s address your questions one by one.

Q1: The timing of your menstrual cycle after stopping the medication.
When you take medications designed to delay your menstrual period, such as hormonal contraceptives or specific progestins, it is generally true that your period will resume shortly after you stop taking the medication. Most commonly, you can expect your period to start within 1 to 5 days after discontinuation. This is because these medications work by altering your hormonal levels to prevent ovulation and regulate your menstrual cycle. However, individual responses can vary, and some women may experience a delay longer than this. If you have concerns about your cycle or if it doesn’t return as expected, it’s advisable to consult your healthcare provider.

Q2: Contraceptive effects during the use of menstrual delay medications.
Regarding the contraceptive effects of the medication you were advised to take, it’s important to clarify that not all medications that delay menstruation have contraceptive properties. Some hormonal medications can indeed provide contraceptive effects, but this is not universally true for all menstrual delay medications. If the medication you are taking is a form of hormonal birth control (like the pill), it may offer protection against pregnancy while you are taking it. However, if you are using a medication that is not primarily intended for contraception, you may still need to use additional contraceptive methods to ensure effective pregnancy prevention.

It’s crucial to follow the instructions provided by your healthcare provider or pharmacist regarding the use of these medications. If you are unsure about the specific medication you have been prescribed, or if you have any concerns about its effectiveness as a contraceptive, it’s best to consult with your doctor or a healthcare professional. They can provide personalized advice based on your health history and the specific medication you are using.

Additional Considerations:
1. Potential Side Effects: Be aware that hormonal medications can have side effects, including nausea, headaches, mood changes, and breast tenderness. If you experience severe side effects or unusual symptoms, seek medical attention.

2. Timing and Dosage: Make sure to take the medication exactly as directed, starting it three days before your expected period, as advised. Missing doses can affect its effectiveness.

3. Alternative Methods: If you are concerned about the effectiveness of the medication as a contraceptive, consider using additional methods such as condoms or other barrier methods during the time you are taking the medication.

4. Consultation: If you have any underlying health conditions or are taking other medications, it’s important to discuss these with your healthcare provider, as they may affect how the menstrual delay medication works.

In summary, while menstrual delay medications can be effective in postponing your period, their contraceptive properties depend on the specific medication used. Always consult with a healthcare professional for personalized advice and to ensure you are using the medication safely and effectively. Safe travels and take care!

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