<prompt> Time of ovulation is detected by all EXCEPT: September 2012Urine LHUrine FSHSerum progesteroneBasal body temperature  <response>: Ans. B i.e. Urine FSH Physiology Best predictor of ovulation: Pre-ovulatory rise in LH In normal menstrual cycle, progesterone is secreted by: Corpus luteum Inhibin is secreted by: Graffian follicle LH precedes ovulation by: 24 hours Ovulation coincides with LH surge Ovulatory period: Corresponds to 14 days before next menstruation FSH stimulates: Growth of granulosa cells measure of ovarian reserve LH stimulates: Follicle rupture and ovulation. 