Q19 of 30 Page 1

Study the graph given above showing the levels of ovarian hormones during menstruation and correlate the uterine events that take place according to the hormonal levels on:


(i) 6-15 days


(ii) 16 - 25 days


(iii) 26 - 28 days (if the ovum is not fertilized)


(i) The endometrium regenerates through proliferation.


(ii) Uterus gets highly vascularised, ready for embryo implantation


(iii) Disintegration of the endometrium. This leads to menstruation.


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