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HomeAnswersObstetrics and Gynecologythyroid disordersWhat is the reason for my sister getting her menstrual periods every 15 days?

Can thyroid dysfunction cause irregular menstrual cycle?

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

Answered by

Dr. Sonal Prasad

Medically reviewed by

iCliniq medical review team

Published At July 15, 2017
Reviewed AtJune 3, 2024

Patient's Query

Hello doctor,

This question is regarding my sister. She is 33 years old. She is a mother of 6 year old twins. Two months ago, she was diagnosed with thyroiditis. From the last month, she gets her periods, once every 15 days. Kindly tell me the probable reason and the course of action to be taken.

Answered by Dr. Sonal Prasad

Hello,

Welcome to icliniq.com.

Your sister has subclinical hypothyroidism. Start her on tablet Eltroxin (Thyroxine) 50 mcg, once daily, to be taken early in the morning on an empty stomach. Get the TSH levels repeated after three months. Thyroid abnormalities may be one of the reason for menstrual irregularities. Please send her recent ultrasound reports, so that any additional cause can be ruled out.

Patient's Query

Thank you doctor,

I am attaching her thyroid profile and USG, done two weeks ago.

Answered by Dr. Sonal Prasad

Hello,

Welcome back to icliniq.com.

I have gone through the reports (attachment removed to protect patient identity). The ultrasound report is normal. The follicular cyst or corpus luteal cyst mentioned is due to ovulation and should not be a concern.

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

Dr. Sonal Prasad
Dr. Sonal Prasad

Obstetrics and Gynecology

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