the Effects of Puvira on Menstrual Cycle and Contraception

Puvira Tablet

Hello, doctor.
I previously underwent surgery for an endometrioma, and I got my period on November 3rd.
On November 27th, I went to the hospital and was diagnosed with a recurrence of the endometrioma.
The doctor said it wasn't large and prescribed me a seven-day course of Provera.
After my period started, I was instructed to begin taking birth control pills on the third day of my cycle.
However, today, December 4th, after taking the last Provera pill, I discovered that my period had started, but the flow seems a bit lighter than usual.
I'm wondering if this could be related to the Provera.
Will this have any impact? Can I still start taking the birth control pills on the third day of my period?

Niming, 20~29 year old female. Ask Date: 2016/12/04

Dr. Cao Guotao reply Obstetrics and Gynecology

Hello, it should be related to taking Provera tablets, as I started taking birth control pills on the fifth day of my menstrual period.
Wishing you good health.

Reply Date: 2016/12/04

More Info

Puvira, known generically as progesterone, is a medication often used in the management of various gynecological conditions, including endometrial hyperplasia and menstrual irregularities. It plays a crucial role in regulating the menstrual cycle by mimicking the natural hormone progesterone, which is essential for preparing the endometrium (the lining of the uterus) for potential implantation of an embryo.
Regarding your situation, it is important to understand how Puvira affects your menstrual cycle and its implications for contraception. After taking Puvira, some women may experience changes in their menstrual flow, including lighter periods or even spotting. This can be attributed to the hormonal influence of the medication, which can alter the normal shedding of the endometrial lining. In your case, noticing a lighter menstrual flow after completing the course of Puvira is not uncommon and may indeed be a result of the medication.
As for the timing of starting your contraceptive pills, it is generally recommended to begin taking hormonal contraceptives on the first day of your menstrual cycle or as directed by your healthcare provider. Since you mentioned that your period started after finishing the Puvira, you should ideally wait until your menstrual cycle is established before starting the contraceptive pills. If your period is lighter than usual, it may still be considered a valid menstrual cycle, but it is crucial to consult with your healthcare provider for personalized advice.

In terms of contraception, Puvira itself is not a contraceptive agent. It does not provide reliable birth control and should not be relied upon as a primary method of contraception. If you are looking for effective birth control, it is advisable to use additional methods, such as condoms or hormonal contraceptives, as recommended by your doctor.
When starting hormonal contraceptives, it typically takes about 7 days for the pills to become effective in preventing pregnancy. Therefore, if you begin taking the contraceptive pills on the third day of your period, you should use an additional form of contraception (like condoms) for the first week to ensure adequate protection against pregnancy.
In summary, while Puvira can influence your menstrual cycle, it is essential to follow your healthcare provider's guidance regarding the timing of starting contraceptive pills. If you have concerns about your menstrual flow or the effects of Puvira, do not hesitate to reach out to your healthcare provider for further evaluation and personalized recommendations. They can provide you with the best advice tailored to your specific health needs and circumstances.

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