Which one of the following events is correctly matched with the time period in a normal menstrual cycle ? (NCERT XII : 48)
1) Endometrium regenerates : 5 – 10 days
2) Rise in progesterone level : 1 -15 days
3) Release of egg : 5th day
4) Endometrium secretes nutrients for implantaion : 11– 18 days
1) Endometrium regenerates : 5 – 10 days