Teen health
Learning Center
Alzheimer's genes: Are you at risk?
What role do genes play in developing Alzheimer's? Are you at risk?
Amenorrhea
Absence of menstruation (amenorrhea) may be linked to an underlying, treatable problem. Learn about amenorrhea causes and when to seek help.
Amniocentesis
Find out about this prenatal test that checks the fluid surrounding the baby during pregnancy.
Ankle swelling during pregnancy: What helps?
Try these tips to prevent and treat swelling of the ankles during pregnancy.
Anorgasmia in women
Anorgasmia is regular difficulty having an orgasm after plenty of sexual stimulation. It affects many women, causing distress.
Anterior vaginal prolapse (cystocele)
Anterior prolapse happens when the pelvic floor muscles weaken and the bladder pushes into the top front part of your vagina. Learn how it's treated.
Antibiotics and pregnancy: What's safe?
Learn about common types of antibiotics used during pregnancy and their safety.
Antidepressants: Safe during pregnancy?
Medicines often are important for treating depression while pregnant. Weigh the risks and benefits with your health care team.
Aspirin during pregnancy: Is it safe?
A Mayo Clinic specialist explains what you need to know about taking aspirin if you're pregnant.
Atypical genitalia
In this rare condition, a baby's genitals are not clearly male or female. Genitals may not be fully developed or the baby may have features of more than one sex.
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