Why does my uterus contract?

Related questions

1. How can I feel my uterus?
2. Why am I so tight all of a sudden?
3. What is the difference between uterus and womb?
4. What happens if uterus is removed?
5. Is removing uterus dangerous?
6. Why does your uterus hurt during period?
7. Can you feel like period is coming but be pregnant?
8. How do you stop yourself from coming fast?
9. How many times can a woman come in a day?
10. Can I take out my uterus?

Tags

1. #contracts
2. #inflammation
3. #substances
4. #caused
5. #contractions
6. #expel
7. #endometriosis
8. #during
9. #lining
10. #uterus
11. #involved
12. #muscle
13. #menstrual
14. #cramps
15. #period
16. #trigger
17. #prostaglandins
18. #hormonelike
19. #uterine