The Four Phases of Your Menstrual Cycle The menstrual cycle starts on ... estrogen and progesterone levels drop to prepare for the uterine lining to shed, starting your period and restarting ...

As a result, you can often identify which menstrual cycle phase you're in based on your symptoms. The primary symptom of the menstrual phase is menstrual bleeding, which is your uterine lining ...

Lunresertib is a small molecule PKMYT1 inhibitor that treatment targets cell cycle regulation ... started on a registrational Phase III trial of Lunre and Camo in endometrial cancer.” ...