Second trimester
Learning Center
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Learn about the safety and effectiveness of COVID-19 vaccines for kids, the possible side effects, and the benefits of vaccination.
Testicular microlithiasis: Is it linked with testicular cancer?
A Mayo Clinic specialist discusses the relationship between testicular microlithiasis and testicular cancer.
Bladder cancer
Blood in the urine (hematuria) sometimes is a sign of bladder cancer. Learn about other bladder cancer signs and symptoms and explore treatment options.
3rd trimester pregnancy: What to expect
Third trimester pregnancy can bring Braxton Hicks contractions, backaches and hemorrhoids as you await the start of labor.
Bacterial vaginosis
Learn about symptoms, treatments and prevention of this common vaginal condition.
Brain tumor
Find out more about the different types, signs, symptoms and causes of brain tumors, which are growths of cells in the brain.
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