why do girls during mp release bloody like blood

Question: why do girls during mp release bloody like blood
- Keywords:
  menstruation period
Asked by javisflo to Byron, David, Esther, Henry, Jacquie on 12 Jul 2017.
- Byron Bitanihirwe answered on 12 Jul 2017:
  
  Menstruation is the process through which the lining of the womb (uterus) sheds, along with blood, exiting through the vagina. The cause of the menstruation is related to the changes a woman’s body undergoes in ovulating an egg roughly once a month for possible reproduction.

Question: why do girls during mp release bloody like blood