What Triggers The Switch From Negative To Positive Feedback In The Ovarian Cycle?

What Triggers The Switch From Negative To Positive Feedback In The Ovarian Cycle? The first day of menstruation is usually labeled as the beginning of the cycle. At this point, rising levels of FSH stimulate the development of several follicles in the ovaries. … The switch to positive feedback provokes a steep surge in LH,

What Does FSH And LH Do In The Menstrual Cycle?

What Does FSH And LH Do In The Menstrual Cycle? The first day of menses is identified as cycle day one. Estrogen is at a low point. Therefore, the pituitary secretes FSH and LH, a process which actually begins before the onset of your menses. These hormones in turn stimulate the growth of several ovarian