<prompt> All are true regarding folliculogensis and ovulation exceptFollicular development and differentiation takes about 85 daysAMH suppos follicular development and oocyte maturationFirst phase of follicular growth is gonadotrophin insensitiveElevated and static levels of estradiol is essential for ovulation  <response>: Peak level of LH is required for ovulation Peak level is 75ngml It lasts for 24 hours Ref: Shaw Gynecology 17 e pg 40. 