Second trimester
Learning Center
Rheumatoid arthritis
This chronic inflammatory disorder can affect more than just your joints. It can also damage your skin, eyes, lungs, heart and blood vessels.
Rh factor blood test
What's an Rh factor blood test? Understand this important test that's done during pregnancy.
Repeat C-sections: Is there a limit?
Repeat C-sections are common — but each C-section is generally more complicated than the last.
Recurrent breast cancer
Learn about symptoms that alert doctors to a breast cancer recurrence and strategies for treating cancer that comes back after initial treatment.
Rectovaginal fistula
This open tunnel connects the rectum and vagina, allowing gas or stool to pass into the vagina. Learn about rectovaginal fistula treatment and self-care.
Quad screen
What can a quad screen tell you about your baby? Get the facts.
Prostate laser surgery
Prostate laser surgery — Overview covers the risks and results of this treatment to relieve symptoms caused by an enlarged prostate.
Prostate cancer metastasis: Where does prostate cancer spread?
Prostate cancer can spread (metastasize) just about anywhere in the body, but it's most likely to spread to the lymph nodes and bones.
Prostate brachytherapy
Learn about this type of radiation therapy for prostate cancer that involves placing radioactive seeds or wires in the prostate gland.
Primary ovarian insufficiency
This condition, also called premature ovarian failure, happens in women under age 40. Hormone therapy can lessen symptoms.
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