More than 150 million women worldwide use oral contraceptives. Combined OCs (COCs), made up of synthetic hormones, are the most common type. Sex hormones are known to modulate the brain network ...

Opill (norgestrel) is an over-the-counter oral birth control pill. Opill can cause side effects that range from mild to serious. Examples include irregular periods, headache, and nausea. The Food and ...

A 28-year-old nulliparous woman presents for follow-up with the chief complaint of persistent dysmenorrhea that was progressing and severe dyspareunia. At age 16, she first reported heavy menstrual ...

A new study confirmed combination birth control pills cut menstrual pain. Jan. 18, 2012— -- Birth control pills relieve pain associated with menstruation, a 30-year Swedish study found. The ...

Some Canadian doctors say patients on birth control need monitoring. But medical authorities in other countries increasingly ...