Labor and delivery
Learning Center
Stage 4 prostate cancer
Find out about diagnosis and treatment of this cancer that has spread to the lymph nodes or other parts of the body.
Can vaginal tears during childbirth be prevented?
Learn what you can do to help lower the risk of vaginal tears during childbirth.
Testosterone therapy: Potential benefits and risks as you age
Testosterone therapy — Explore the potential benefits and risks of increasing your testosterone level.
Female fertility: Why lifestyle choices count
Know what you can do to protect being able to get pregnant.
Penis health: Identify and prevent problems
Understand the factors that affect penis health and how to identify problems.
Senior sex: Tips for older men
Sex isn't just for the young. Get tips for staying active, creative and satisfied as you age.
Erectile dysfunction: Viagra and other oral medications
Get the facts on medicines that are taken by mouth for ED.
Herd immunity and COVID-19: What you need to know
To protect groups of people over time, it helps to know what level of recovery or vaccination in a population makes it hard for a germ to spread.
Post-vasectomy pain syndrome
Learn about post-vasectomy pain syndrome (PVPS) — How it happens after a vasectomy, tests to diagnose it and treatment options.
Male masturbation: Does frequency affect male fertility?
Male masturbation has little effect on sperm count or quality.
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