HomeAnswersObstetrics and Gynecologymenstrual irregularityI am experiencing irregular periods with a history of taking tablets next day after unprotected sex and a negative pregnancy and beta hCG test. Please help.

Why are the periods irregular even with negative pregnancy and beta hCG test?

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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.

Medically reviewed by

iCliniq medical review team

Published At March 25, 2023
Reviewed AtApril 10, 2023

Patient's Query

Hello doctor,

I had my last period one month before, and I had unprotected sex five days after my period and took the pill the next day. I had bleeding on the 20 th day of my period. Yet I am experiencing irregular periods. I took pregnancy and beta hcg tests, but both came negative. I am worried about why I am not getting my regular period.

Kindly help.

Hello,

Welcome to icliniq.com.

Thank you for your query.

Since you have the pill within 72 hours of unprotected sex, the chances of getting pregnant are rare. The pill has a lot of side effects, such as irregular periods, spotting, delayed periods, etc., since you get some withdrawal bleeding on the 20 th, which can be why the periods are delayed. If you miss your period, wait for a week and repeat the urine or blood test. The pill to has a lower rate of failure sometimes. Beta hCG was very accurate. if that is negative, you cannot be pregnant.

I hope this has helped you. Thank you.

Patient's Query

Hello doctor,

Yes, the beta hCG came out negative. I am just concerned about missing my periods, as I do not want my cycle to get disrupted.

Hello,

Welcome back to icliniq.com.

That is the side effect of the pill, and nothing can be done. The irregularity may continue until you get normal period.

I hope this has helped you. Thank you.

Patient's Query

Hi doctor,

Thank you for the reply,

Do I need to take any medication to get my period or just wait for it to come naturally?

Hi,

Welcome back to icliniq.com.

When did you do the beta hCG? Can you upload that result?

Patient's Query

Hi doctor,

Thank you for the reply,

I took the test and attached the result.

Hi,

Welcome back to icliniq.com.

I will review the test results.

Thank you.

The Probable causes

The probable cause is hormonal imbalance.

Probable diagnosis

The probable diagnosis is hormonal imbalance.

Treatment plan

The treatment plan includes Primolut N 5 mg BD for five days.

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

Dr. Usha Sadanand Rao
Dr. Usha Sadanand Rao

Obstetrics and Gynecology

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