1-Women having menstrual bleeding till menopause.

2-Sperm transmission occur through uterine cavity to fallopian tube.

3-Uterus act like shelter for growing embroyo.

4-Fetus get oxygen and nutrient through the placenta ( the placenta attach in wall of uterus and supply oxygen and nutrient to fetus)

5-uterus expel the fetus at the time of birth.

6-Cervical mucus avoid infection during pregnancy.

7- Cervical mucus help in sperm transportation.

8-The fetus delivered through the cervical canal.and cervical canal dilated at the time of delivery to deliver the fetus.