1. when pragnancy does not occur the life of corpus luteum is about (i) 4 days (ii) 10 days (iii)14 days (iv) 28 days
2. in female after how much time after fertilisation, does the fertilised egg get implanted in the uterine wall? (i) few months (ii) one month (iii) three weeks (iv) about seven days
1. If pregnancy does not take place, corpus luteum stops secreting progesterone and starts disintegrating after 14 days.
2. Fertilized egg gets implanted in the uterine wall within seven to ten days after ovulation.