(Solved): During the follicular growth phase, prior to ovulation, high levels of estrogen stimulate growth of ...

During the follicular growth phase, prior to ovulation, high levels of estrogen stimulate growth of the uterine lining. During the follicular growth phase prior to ovulation, high levels of progesterone maintain the uterine lining. During ovulation, levels of LH are at their lowest. During the luteal phase, following ovulation, levels of gonadotropins are at their highest.