Nutritional supplements
Learning Center
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.
Probiotics and prebiotics: What you should know
Probiotics are foods or supplements that contain 'good' bacteria that might help treat or prevent illness. Should they be part of your diet?
Primary ovarian insufficiency
This condition, also called premature ovarian failure, happens in women under age 40. Hormone therapy can lessen symptoms.
Preterm labor
Going into labor before your due date is serious, but knowing the risk factors and how to manage them can help.
Prenatal vitamins: Why they matter, how to choose
Prenatal vitamins are an important part of pregnancy nutrition. Here's why.
Prenatal vitamins: OK for women who aren't pregnant?
Prenatal vitamins: Why they might not be suitable if you're not pregnant.
Prenatal testing: Is it right for you?
Here's help making an informed decision about prenatal testing.
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