HomeAnswersObstetrics and Gynecologymenstrual irregularityShould I be worried about irregular periods after taking emergency contraceptive pills?

Does taking an ECP regularly for unprotected sex cause period irregularities?

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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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iCliniq medical review team

Published At April 15, 2022
Reviewed AtDecember 7, 2023

Patient's Query

Hello doctor,

I am really worried about my periods. I got my last period one month ago. After 17 days (which would be day 17 of the cycle), I was engaged in sexual activity. I did not have protection at that time, but I had an ECP (Unwanted-72) within 24 hours. From the next month, I started experiencing lower abdominal pain, and I had a dark brown discharge a few days later. This went on for about 10 to 12 hours, after which I experienced regular bleeding for 3 to 4 hours. Following that, I again had only the brown discharge. This went on for about 10 to 12 hours, after which I experienced regular bleeding for 3 to 4 hours. Following that, I am again having only brown discharge. I have not experienced this irregularity previously, but I have had an ECP once every month for the past four months. Currently, I am on the medication Cipzen-D. I have already taken a pregnancy test which came back negative. What is the reason for this irregularity in periods? Should I be worried? What can I do to ensure I am not pregnant?

Hello,

Welcome to icliniq.com.

Emergency contraceptive pills (ECP) are known to cause irregular periods. It would not be advisable to take them so frequently. If you do indulge in regular sexual intercourse, you should use combined oral contraceptive pills daily, and they would also help regularise your periods. You can get a blood test done for Beta-hCG (human chorionic gonadotropin) to confirm you are not pregnant and get a thyroid test done as it might cause irregular periods.

Patient's Query

Hello doctor,

Thank you for the reply.

Given this entire situation, what are the chances that I am pregnant? I took another pregnancy test which again came back negative.

Hello,

Welcome back to icliniq.com.

The chances of pregnancy are very low considering the fact that you have taken an emergency contraceptive pill within 72 hours of unprotected intercourse.

Patient's Query

Hello doctor,

Thank you for the reply.

As per your suggestion, I got my hCG blood test done. I am attaching the reports for your reference. What is the result? Should I be worried and stressed about my period? Please suggest what I can do to ensure I get a regular period.

Thank you.

Hello,

Welcome back to icliniq.com.

Please resend the reports.

Patient's Query

Hello doctor,

I am attaching the reports below.

Hello,

Welcome back to icliniq.com.

The reports are negative for pregnancy (attachments removed to protect the patient's identity). The reports are very accurate. If you are seeking future contraception, you could use combined oral contraceptive pills Ovral L (Levonorgestrel + Ethinyl Estradiol) for 21 days, which would help regularize your periods and provide effective care contraception. I would advise not to use emergency contraceptive pills to regulate the hormonal balance for at least this cycle.

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

Dr. Manwani Saloni Dilip
Dr. Manwani Saloni Dilip

Obstetrics and Gynecology

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