Teen health
Learning Center
Chickenpox and pregnancy: What are the concerns?
Understand the risks posed by chickenpox during pregnancy.
Child abuse
Child abuse includes physical, sexual, emotional and medical abuse, as well as neglect. Learn about signs, risk factors, how to get help and prevention.
Cholestasis of pregnancy
This liver condition can occur late in pregnancy, triggering intense itching. The risk of complications for your baby may require early delivery.
Choosing a birth control pill
Wondering which birth control pill is best for you? Weigh the risks and benefits of the different types of birth control pills.
Choroid plexus carcinoma
This rare type of cancerous brain tumor occurs mainly in children under 2. Treatment usually involves surgery and radiation therapy.
Chronic pelvic pain
Ongoing pain in the pelvis can be a symptom of another disease or a condition in its own right. Learn how it's diagnosed and treated.
Circumcision (male)
Learn about the benefits and risks of surgery to remove the skin that covers the tip of the penis.
Cleft lip and cleft palate
Surgery can fix openings or splits in the upper lip, or the roof of the mouth (palate), or both types of these birth defects.
Clubfoot
This term describes a range of congenital foot abnormalities in which the foot is twisted out of shape or position, keeping it from moving up and down.
Coarctation of the aorta
Learn more about the causes and treatment of this usually congenital heart condition that is treatable but requires lifelong follow-up.
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