Question

why do girls have periods pain?

Answer 1

Lots of girls experience cramps before or during their periods. Cramps are caused by prostaglandins (say: pross-tuh-GLAN-dinz), chemicals a girl's body produces to make the muscles of the uterus contract. The contracting muscles help push the blood out through a girl's vagina during herperiod.

Answer 2

Lots of girls experience cramps before or during their periods. Cramps are caused by prostaglandins (say: pross-tuh-GLAN-dinz), chemicals a girl's body produces to make the muscles of the uterus contract. ... girls who are younger when their periods start. girlswho have longer periods or heavier blood flow.

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