Question

Corpus luteum in pregnancy has a long life however it fertilization does not take place it remains active only for 10 to 12 days explain​

Answer 1

Answer:

the ruptured Graffian follicles transform into the corpus Luthem and secrete a large amount of progesterone which is essential for the maintenance of the endometrium such endometrium is required for the implantation of fertilized ovum and the other event of pregnancy.

that's why corpus luteum in pregnancy has a long life.But in the absence of fertilization maintenance of endometrium is not required. therefore, corpus luteum degenerated with in 10 to 12 days.