Ovulatory Phase

c. Ovulatory phase : It is the shortest phase of the menstrual cycle. It involves the rupturing of the mature Graafian follicle and the release of the ovum (actually the secondary oocyte) into the pelvic cavity, usually on the 14th day of the cycle. A rapid surge in the secretion of luteinising hormone (LH), driven by a positive-feedback mechanism, causes the mature follicle to rupture and release its egg. Ovulation …