PPT Slide
2. Secretory (luteal) phase
constant length around 14 days
preparation of uterus for implantation of fertilized ovum
after ovulation, endometrium highly vascularized and edematous under progesterone from corpus luteum
coiled and tortuous glands - fluid secretion
no fertilization - corpus luteum regression,
_ endometrium hormonal support, necrosis of spiral arteries walls, hemorrhages, menstrual flow