Which of the following hormonal activity is expected immediately prior to Ovulation?
Ovulation occurs due to the effect of increased concentration of LH. In the pre-ovulatory phase of the menstrual cycle, the ovarian follicle will undergo a series of transformations called cumulus expansion, which is stimulated by FSH. This is followed by LH surge.
LH surge
FSH surge
Progestrone surge
Estrogen surge