The only way to know whether a girl (or a
What is menstruation?
When a girl reaches puberty, her ovaries (small egg-containing organs
Birth Control: Female Hormonal Methods
What are hormonal methods of birth control? Hormonal methods of
Puberty in Girls: A Guy’s Guide
When a guy goes through puberty, he’ll experience various changes
Birth Control: Other Birth Control Methods for Females
What other types of birth control are available for females?