Infant health
Learning Center
Ulcerative colitis
This type of inflammatory bowel disease affects the innermost lining of your digestive tract. Learn about available treatments for this often exhausting condition.
Uncircumcised penis: Is special care needed?
Know how to wash and care for your child's uncircumcised penis.
Unusual COVID-19 symptoms: What are they?
COVID-19 can cause a wide variety of symptoms, some more common than others. Learn about how COVID-19 can make you feel.
Ureteral obstruction
Learn about what causes blockage of the tubes that carry urine from the kidneys to the bladder, tests you might need and how the condition can be treated.
Urinalysis
This common lab test checks urine for signs of disease and for clues about overall health.
Uterine fibroids
Learn about these common noncancerous growths and what to do if you have symptoms such as heavy menstrual bleeding.
Uterine polyps
Tissue growths inside the uterus can cause abnormal uterine bleeding or infertility. Learn about tests and treatment.
Uterine prolapse
Find out more about the symptoms and possible treatments, including surgical repair, for this pelvic floor disorder.
VBAC: Know the pros and cons
VBAC — vaginal birth after cesarean — is possible for many women. Know what to consider before choosing this option for delivery.
Vaccines during pregnancy: Are they safe?
Find out which vaccinations you need while pregnant and which ones to stay away from.
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