<prompt> Secretory phase of endometrium is due to which hormone?EstrogenProgesteroneProlactinPregnenediol  <response>: Ref: Guyton, 12th edition, Page 995 and Essentials of Medical Physiology By Khurana, Page 509Explanation:PHASES OF ENDOMETRIAL CYCLEThe endometrial cycle of 28 days can be divided into three phases:o Menstrual Phase 1-5 dayso Proliferative Phase 6-14 dayso Secretory Phase 15-28 days.See table on the next page 