Physiology

Question 1

What are the types and function of oestrogen?

Answer 1

E1 - predominant during menopause.
E2 - predominant during reproductive years. strongest.
E3 - predominant during pregnancy. Most abundant but the weakest.
E4 - estetrol produced only in pregnancy.

Question 2

What is the first line test in subfertility?

Answer 2

Serum progesterone day 21 and sperm analysis.

<30 repeat test (if consistently low can refer)
>30 indicates ovulation