From the US Office of Women's Health. Girlshealth.gov offers girls reliable, useful information on health and well-being. We cover hundreds of topics, from getting your period to stopping bullies, and from getting fit to preventing sexually transmitted infections. We make our pages clear and fun, and we make sure to answer key questions girls ask. Girlshealth.gov is committed to empowering girls to create strong, positive relationships and happy, healthy futures.