A member asked:

I want to check my fsh n lh when should i give samples on 3rd day of cycles or on 21st day after cycle so i may know as my flow is decreasing evrymont?

A doctor has provided 1 answer
Dr. Jeff Livingston answered

Specializes in Obstetrics and Gynecology

Depends: you will need to coordinate the test timing with your Obgyn. The answer depends on what it is the doctor is looking for. If the doctor is looking for PCOS then it makes little difference. If the doctor is looking for fertility issues then they probably would want a Day 3 FSH and Day 21 Progesterone.

Answered 4/12/2015

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