Healthy pregnancy
Learning Center
Prenatal vitamins: Why they matter, how to choose
Prenatal vitamins are an important part of pregnancy nutrition. Here's why.
Prenatal yoga: What you need to know
Considering prenatal yoga? Find out about the basics and benefits of this popular workout.
Prostate cancer screening: Should you get a PSA test?
Learn about the pros and cons of the PSA test so you're ready to talk about prostate cancer screening with your doctor.
Prostate cancer: Does PSA level affect prognosis?
Find out what your PSA level may mean for your prostate cancer prognosis.
Reactive airway disease: Is it asthma?
Reactive airway disease is a general term that doesn't indicate a specific diagnosis.
Rheumatoid factor
Rheumatoid factor — This blood test can help diagnose autoimmune disorders such as rheumatoid arthritis, Sjogren syndrome and lupus.
STD testing: What's right for you?
Find out how your risk factors affect the types of tests you'll need for sexually transmitted infections (STIs).
Sed rate (erythrocyte sedimentation rate)
Sed rate is a blood test that can reveal inflammatory activity in your body. It's often used to help diagnose conditions affecting your joints or muscles.
Sentinel node biopsy
Learn what to expect during this procedure to remove lymph nodes for testing. The results can show whether cancer has spread.
Sex during pregnancy: What's OK, what's not
Questions about sex during pregnancy? Here's what you need to know.
Refine Your Search
Type
Gender
Age
- All
- 19 to 44 younger
- 45 to 64 middle
- 65 to 80 older
- 13 to 18 years teen
- 06 to 12 years elementary/preteen
- 03 to 5 years preschool
- 2 years
- 80 and over
- 02 months to 2 years infant/toddler
- 19 to 28 young adult
- 11 to 12 years preteen
- 00 birth to 01 month newborn