Children's health
Learning Center
COVID-19 variants: What's the concern?
The virus that causes COVID-19 has changed over time, which has affected prevention, diagnosis and treatment of COVID-19.
Video: Ovulation
Ovulation — the release of an egg from an ovary — occurs about midway through the menstrual cycle. See how it happens.
Contraceptive implant
Learn about the benefits, risks and effectiveness of this type of long-acting, reversible birth control.
Pelvic exam
Find out what happens during this exam, why it might be needed and how to prepare.
Mastectomy
Learn about this operation to remove the breast tissue from one or both breasts. Find out about risks, results and what you can expect.
Breast biopsy
Learn about this test that's used to diagnose breast cancer, including why it's done, risks and what to expect.
Breast self-exam for breast awareness
Being aware of the look and feel of your breasts may make it more likely that you'll notice any changes that could be signs of breast cancer.
Mastitis
Redness, pain and swelling in your breast could be mastitis — inflammation of breast tissue. Find out about mastitis symptoms, treatment and self-care.
Sex during pregnancy: What's OK, what's not
Questions about sex during pregnancy? Here's what you need to know.
Painful intercourse (dyspareunia)
Pain during sex can happen for many reasons, ranging from physical conditions to emotional concerns. Medicines or other therapies may help.
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