Second trimester
Learning Center
Snoring
Is the sound of snoring disrupting sleep in your household? Find out causes and treatment options for this common problem.
Mucus in stool: A concern?
Visible mucus in stool can have a variety of causes, but they're not always serious.
Penis fracture: Is it possible?
Know the signs and symptoms of a penis fracture.
Vasectomy reversal
Learn about this microsurgery procedure that can restore your fertility after a vasectomy.
Fetal development: The 2nd trimester
Fetal development progresses rapidly in the second trimester. Check out the weekly changes.
Undescended testicle
Learn about causes, complications and treatment of this condition in which one or both testicles aren't in the usual place within the scrotum.
Vagina: What's typical, what's not
Vaginal health is important. Use this information to protect your vaginal health and spot potential problems.
Sensitive teeth: What treatments are available?
Know what causes sensitive teeth and learn about effective treatments.
Nausea during pregnancy: A good thing?
Morning sickness is common during pregnancy. Understand what nausea and vomiting might mean while you're pregnant.
Frequent sex: Does it protect against prostate cancer?
Some studies have suggested that frequent ejaculation may reduce the risk of prostate cancer. But other research hasn't supported this idea.
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