Nutrition basics
Learning Center
Video: The epidural block
Understand this anesthesia for labor and birth.
Video: Ovulation
Ovulation — the release of an egg from an ovary — occurs about midway through the menstrual cycle. See how it happens.
Video: Mammogram for breast cancer — What to expect
Watch video to see what it's like to have a mammogram, or breast cancer detection exam.
Video: HSG test for female infertility
Video animation shows the HSG test — an X-ray study to identify causes of female infertility.
Video: Baby's soft spots (fontanels)
A baby's soft spots (fontanels) close when the skull bones fuse together. See how.
Viagra for women: Does it exist?
Learn about medicines to treat problems with sexual arousal or sexual desire in women.
Vesicoureteral reflux
Learn about what happens if urine flows backward from the bladder. Usually found in children, this condition boosts the risk of urinary tract infections.
Ventricular fibrillation
Without fast treatment, this heart rhythm problem can cause death within minutes. Learn the symptoms of VFib and what actions to take to save a life.
Vascular rings
Learn more about this condition in which malformations of the aortic arch encircle the windpipe and esophagus and can press against them.
Valerian: A safe and effective herbal sleep aid?
Valerian — Can this sleep aid help you sleep better?
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