Newborn health
Learning Center
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.
Varicocele
Find out how this condition involving the enlargement of veins in the scrotum can affect sperm quality and production.
Vasectomy
Find out more about this procedure that provides nearly 100 percent effective male birth control by cutting the supply of sperm to semen.
Vasectomy reversal
Learn about this microsurgery procedure that can restore your fertility after a vasectomy.
Video: Baby's soft spots (fontanels)
A baby's soft spots (fontanels) close when the skull bones fuse together. See how.
What a newborn really looks like
Here's what to expect when you meet your baby for the first time.
What a newborn really looks like
Here's what to expect when you meet your baby for the first time.
What is thirdhand smoke, and why is it a concern?
Tobacco smoke creates toxic residue that clings to walls, carpets, clothes and other surfaces.
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.
Yeast infection in men: How can I tell if I have one?
Yeast infections can occur in men, causing inflammation of the penis (balanitis). Learn what signs and symptoms could mean you have a yeast infection.
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