Cyclic changes in uterine cervix
Mucosa of uterine cervix does not undergo cyclic desquamation as the body of uterus
regular changes in cervical mucus under influence:
1. estrogens (ovulation) mucus thinner and more alkaline - promotion of survival and transport of sperm, spinnbarkeit at ovulation
2. progesterone (after ovulation, during pregnancy) mucus thick, tenacious, cellular