First trimester
Learning Center
Breastfeeding positions
Breastfeeding can be awkward at first. Experiment with various positions until you feel comfortable.
Inherited metabolic disorders
Caused by gene changes, these disorders affect the body's ability to change food into energy. They also affect how energy is used, such as for cell repair.
Blood in semen
Finding blood in your semen can be alarming, but the cause is usually benign. Find out possible causes and when to see a doctor.
Bent penis
Learn what can cause a curved erection and when you may need to see a health care provider.
Niemann-Pick disease
A condition passed down in families that affects how the body breaks down and uses fats. Fat buildup in cells damages the nerves, brain and other organs.
Vaginal agenesis
In this rare condition that occurs before birth, the vagina doesn't develop and the uterus may only develop partially or not at all. Learn about treatment.
Prostatitis
Learn about tests and treatments for disorders of the prostate gland that cause pain, difficult or painful urination, and other symptoms.
Ebstein anomaly
In this rare heart defect, the tricuspid heart valve didn't form properly. This can affect the heart's ability to pump blood. Know the risks and symptoms.
Cerebral palsy
Learn about this group of conditions that affect movement. It's caused by damage to the developing brain, usually before birth.
Noonan syndrome
This genetic condition stops typical development in parts of the body. It may include unusual facial features, short height, heart problems or other issues.
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