Pregnancy problems
Learning Center
Healthy sperm: Improving your fertility
You can take simple steps to have healthy sperm and improve your fertility.
Heart attack symptoms: Know what's a medical emergency
Watch for these heart attack symptoms.
Heart conditions and pregnancy: Know the risks
Here's what to know to protect your heart and have a healthy pregnancy.
Heart palpitations
Know when and how feelings of a rapid, fluttering or pounding heartbeat are treated.
Heartburn or heart attack: When to worry
Chest pain? Learn the potentially lifesaving difference between heartburn and a heart attack.
Heavy menstrual bleeding
Learn about the causes and treatment of heavy menstrual periods.
Heel spurs: Do they always cause pain?
Heel spurs — Bony growths not necessarily the cause of your heel pain.
Hemorrhoids during pregnancy: What's the best treatment?
Know how to relieve painful, swollen veins in the anus and rectum during pregnancy.
Hiccups
Caused by spasms of your diaphragm that you can't control, hiccups are usually harmless. Rarely, hiccups may be a sign of an underlying medical problem.
High blood pressure and pregnancy: Know the facts
Concerned about high blood pressure during pregnancy? Find out what you can do to reduce your risk of complications.
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