The production of testosterone in the interstitial cells is stimulated by ?

After birth, colostrum is released from mammary glands which is rich in ?

The primary sex organ is known as ?

Urine test during pregnancy determines the presence of ?

1st polar body is formed at which stage of oogenesis ?

Sperm are temporarily kept in _________.</p>

In spermatogenesis, reduction division of chromosome occurs during conversion of ?

Which one of the following events is correctly matched with the time period in a normal menstrual cycle ?