HomeAnswersObstetrics and Gynecologycombined oral contraceptive pillI have prolonged bleeding after taking a contraceptive pill. Why?

Can contraceptives affect period blood flow?

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The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

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Published At August 23, 2023
Reviewed AtJanuary 5, 2024

Patient's Query

Hello doctor,

My previous periods were regular with a cycle of 28 to 32 days. Last month I had unprotected sex and consumed a contraceptive pill the next day. Periods did not start on the expected dates but bleeding occurred six days later. The flow was also similar to my periods. I expected my next period around two weeks late over 43 days cycle. later I had protected intercourse. we checked for leakages in the condom by squeezing it thoroughly, but there were none. About two weeks after the intercourse my bleeding started. it is about six days before my period was expected it is a normal flow, not spotting, and today is the fourth day and it is still going on. like my regular periods, it got heavier on the third day. Do normal periods last for five to six days? What could be the reason, can it be a side effect of the pill?

Answered by Dr. Balakrishnan R

Hello,

Welcome to icliniq.com.

I read your query and understand your concern. Contraceptive pills have a high doses of Progesterone hormone, the same hormone which is produced in your body in the second half of the period after ovulation. This pill will suddenly increase the thickness of the inner lining of the uterus, making it unfavorable for a possible pregnancy to implant. As it is a single dose, it has no strength to stand on, so it falls off and you get period or bleeding of the increased thickness within seven to ten days of taking the pill. This bleeding will be thick, fleshy pieces, dark red or brown, with slight lower abdominal pain till the bleeding is reduced. This pill is very effective and you have taken the pill on time. So there is a very low chance of failure of contraception. But this will disturb your hormonal balance and also the subsequent periods. So this is not advisable to be taken very frequently. So if sex is going to be regular, use cyclical oral contraceptive pills or birth control pills. If sex is going to be occasional, the use of condoms is better. If protection is sure, then do not take the emergency pills unnecessarily. This will disturb the hormones and periods, causing a lot of anxiety. All these irregularities are due to the pills. I hope this helps, do write back if any more queries.

Thank you.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Balakrishnan R
Dr. Balakrishnan R

Obstetrics and Gynecology

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