Cramps aren’t always a sign of menstruation. Many people develop cramps when they don’t have their period. There are various causes of cramps with no period. Issues related to pregnancy are often to ...
Late or missed menstrual period Late period: 5 or more days late compared to normal menstrual cycle Missed period: no menstrual flow for more than 6 weeks Teen not using any birth control that stops ...
The following vaccines are approved by the Food and Drug Administration (FDA) to prevent hepatitis B as well as other conditions: One U.S. study following trends in hepatitis B infection over a ...