I am unmarried and have been experiencing irregular periods due to thyroid issues. My gynecologist prescribed Yasmin tablets for 21 days, starting from the 5th day of my period. I have completed the 21 day course today. Could you please advise when I can expect my next menstrual cycle?

Answered by 1 Apollo Doctors

Dr Bhanu Prakash

General Practitioner

MBBS
AFIH
Advanced certificate in critical care medicine
Fellowship in critical care medicine
10+ Yrs

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After finishing 21 days of Yasmin, your period should start within 3 to 7 days. This is called withdrawal bleeding and is expected. If theres no bleeding after a week, inform your gynec. Thyroid issues can still affect your cycle, so regular monitoring is helpful.

Dr. Bhanu Suggests...

Take a Thyroid Profile (T3 T4 TSH) Test Test

Book Thyroid Profile (T3 T4 TSH) Test Test

Answered 12/09/2025

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