Teen health
Learning Center
Breast calcifications
Most breast calcifications are benign. Find out more about what can cause them, what they look like, and when to see a doctor.
Fibroadenoma
Learn about this common breast lump. It is not cancer. Unless you have symptoms that bother you, treatment might not be needed.
Incompetent cervix
Sometimes the cervix opens and thins early, putting a pregnancy at risk. Learn more about this hard-to-diagnose condition.
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: Ovulation
Ovulation — the release of an egg from an ovary — occurs about midway through the menstrual cycle. See how it happens.
Breast rash
Overview covers the definition and possible causes of breast rashes.
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