Fitness basics
Learning Center
Intraoperative magnetic resonance imaging (iMRI)
Find out how neurosurgeons use intraoperative magnetic resonance imaging (iMRI) during brain surgery.
Video: Ovulation
Ovulation — the release of an egg from an ovary — occurs about midway through the menstrual cycle. See how it happens.
Craniotomy
Learn the brain conditions that are treated with this surgery that involves removing a piece of the skull. Also find out what you can expect during surgery.
Bleeding during pregnancy
Learn what may cause vaginal bleeding during pregnancy and when you should see a doctor about it.
Vaginal bleeding after sex
This symptom might not require a checkup. But if you've gone through menopause, contact your health care team to find out the cause of bleeding from the vagina.
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