Throughout the follicular phase, a single "dominant follicle" develops faster than the rest. This follicle (a fluid-filled sac in your ovary) then releases more estrogen into the body in preparation ...

The menstrual cycle occurs in phases. The first half of your cycle is the follicular or proliferative phase. The second half ...

Progesterone decreases proliferation while encouraging ... Prospective 1-year assessment of within-woman variability of ...