Q.

The main function of mammalian corpus luteum is to produce                [2014]

1 estrogen only  
2 progesterone  
3 human chorionic gonadotropin  
4 relaxin only  

Ans.

(2)

Corpus luteum secretes steroid hormones progesterone and estrogen, to make uterus suitable for implantation (in case fertilisation occurs) and its maintenance (mainly endometrium).