Can I Start Birth Control Pills After Taking Menstrual Induction Medication?

Can I take birth control pills right after taking menstrual induction medication?

Hello Doctor, I would like to inquire about my menstrual cycle.
The first day of my last period was on August 28, and this time on September 22, I had a little bit of brown discharge, and only when I wiped after using the restroom did I see some red.
On September 24, I visited a gynecologist for a pregnancy test, which ruled out the possibility of pregnancy.
The doctor prescribed me medication to induce my period for three days.
On the nights of September 25 and 26, the flow was heavier, but by September 27, it decreased.
I have finished taking the three days of medication.
Does this count as my period for this month, or should I expect a more official period to come in a few days?
Regarding the birth control pills, I need to start taking them on the fifth day of my period.
Should I take the first pill on September 29, or wait for my period in early October? I found very little information online about taking medication to induce a period and then having a menstrual flow afterward.
On September 25, I called the clinic to ask; after taking the medication for one day, the flow was slightly more than what I had from September 22 to 24, but still not much.
The clinic advised me to finish the medication since the flow was not at a normal menstrual level.
As a result, that night the flow was heavy, but the next day it decreased, and as of today, September 28, I still need to use a light pad.
Thank you, Doctor.

Niming, 20~29 year old female. Ask Date: 2020/09/28

Dr. Cao Guotao reply Obstetrics and Gynecology

Hello, after taking the menstrual induction medication, menstruation typically occurs within a week.
Start taking the contraceptive pill on the fifth day of your period.
Wishing you good health.

Reply Date: 2020/09/28

More Info

When considering the use of birth control pills after taking menstrual induction medication, it's essential to understand the timing and nature of your menstrual cycle, especially after using medications that can alter it. Based on your description, it seems you took menstrual induction medication from September 25 to September 27, and you experienced some bleeding during that time.
Firstly, the bleeding you experienced after taking the menstrual induction medication can be considered a withdrawal bleed rather than a true menstrual period. Withdrawal bleeding occurs when the hormonal influence of the medication is removed, leading to the shedding of the uterine lining. This can sometimes be lighter or different in character compared to a typical menstrual period. In your case, since you mentioned that the bleeding was not as heavy as your usual menstrual flow, it might not be classified as a full menstrual period.

In general, birth control pills are typically started during the first five days of a menstrual cycle to ensure immediate contraceptive effectiveness. However, since you have taken menstrual induction medication, it’s crucial to determine whether the bleeding you experienced qualifies as a menstrual period. If you consider the bleeding from September 25 to September 27 as your period, you could start the birth control pills on the fifth day after the onset of that bleeding, which would be around October 1.
If you are uncertain whether the bleeding is sufficient to count as a menstrual period, it may be prudent to wait until your next expected period in early October to start the birth control pills. This approach ensures that you are starting the pills in a way that aligns with your natural cycle, which can help in achieving better hormonal balance and effectiveness of the contraceptive method.

Additionally, it’s important to consult with your healthcare provider about your specific situation. They can provide personalized advice based on your medical history and the details of the medications you have taken. They may also want to monitor your cycle to ensure that your hormonal levels are returning to normal after the use of menstrual induction medication.

In summary, if you consider the bleeding from September 25 to September 27 as your period, you can start the birth control pills on October 1. If you are unsure, it may be best to wait until your next expected period in early October. Always consult with your healthcare provider for tailored advice and to ensure that you are making the best choice for your reproductive health.

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