Labels:daily | hakham OCR: M ENSTRUA TION GIRL'S FIRST menstrual period often occurs around hal fway through puberty at about the age of 12 or 13 years. It indicates that her ovaries have begun to release eggs. which are now mature enough to be fertilized. The blood that appears during the menstrual period or menstruation. the broken- -down lining the womb, which shed regularly hen there IS no pregnancy Bleeding may De irregular at first. but within two years or regular m onthly pattern has normall em erged. ularly when normally
