Pregnancy problems
Learning Center
Penis health: Identify and prevent problems
Understand the factors that affect penis health and how to identify problems.
Prostatectomy
Learn about surgical options and advances in prostatectomy, including robotic surgery, as well as the risks involved with each approach.
Dietary supplements for erectile dysfunction: A natural treatment for ED?
Some dietary supplements for erectile dysfunction might work and some might be dangerous. Get the facts.
Varicocele
Find out how this condition involving the enlargement of veins in the scrotum can affect sperm quality and production.
Retractile testicle
Find out about this condition that allows the testicle to move between the scrotum and groin.
Blood in semen
Finding blood in your semen can be alarming, but the cause is usually benign. Find out possible causes and when to see a doctor.
Dry orgasm
It's possible for men to reach sexual climax without ejaculating. Learn about the possible causes.
Circumcision (male)
Learn about the benefits and risks of surgery to remove the skin that covers the tip of the penis.
Withdrawal method (coitus interruptus)
The withdrawal method — pulling the penis out of the vagina before ejaculation — isn't the most effective birth control. Learn about the pros and cons.
Male infertility
Male infertility often plays a role when couples have trouble conceiving. Find out what causes male infertility and available options for treatment.
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