Menstrual phase - days 1-4 (characterized by necrosis and shed | ᴍᴇᴅɪᴄᴀʟ ᴛᴇʀᴍɪɴѕ || ʏᴏʻʟᴅᴏѕʜᴇᴠ'ѕ ʙʟᴏɢ
Menstrual phase - days 1-4 (characterized by necrosis and shedding) Proliferative phase - days 4-15 (characterized by regeneration and low basal body temperature) Ovulatory phase - days 14-16 (characterized by ovulation) Secretory phase - days 15-25 (characterized by secretory activity and elevated basal body temperature) Premenstrual phase - days 25-28 (characterized by ischemia due to reduced blood flow to the endometrium)
