Menstrual cycle

Question 1

A 27-year-old woman presents to her GP. She is upset because she has been trying to conceive for 2 years with her partner, but they have been unsuccessful. They are having regular sexual intercourse every 2–3 days. She has a regular cycle of 35 days. The GP explains he would like to carry out a blood test to check whether she has ovulated. What test should be carried out to achieve this?

Answer 1

Serum progesterone on day 28

-Serum progesterone calcualted 7 days before end of cycle=35-7=28

Question 2

What is the role of progesterone (at different times in the menstrual cycle)?

Answer 2