Newborn health
Learning Center
Sperm: How long do they live after ejaculation?
After ejaculation, the life span of sperm depends on the circumstances.
Invasive lobular carcinoma
Breast cancer that begins in the milk-producing glands of the breast is uncommon. Learn what sets lobular carcinoma apart from other breast cancer types.
How your brain works
Which part of your brain does what? Take a tour.
Exercise after pregnancy: How to get started
Exercising after pregnancy can give you the energy you need to care for your baby. Follow these strategies to stay safe and motivated.
Natural breast enhancement: Do supplements work?
Breast enhancement supplements haven't been proved effective and could cause side effects.
Pap smear: Do I need one if I'm a virgin?
Doctors recommend regular cervical cancer screening whether you've had sex or not.
Bacterial vaginosis
Learn about symptoms, treatments and prevention of this common vaginal condition.
Premenstrual dysphoric disorder: Different from PMS?
Extreme moodiness, intense sadness or marked irritability in the days before your period — along with your usual PMS symptoms — could be PMDD.
Uncircumcised penis: Is special care needed?
Know how to wash and care for your child's uncircumcised penis.
Hypothyroidism and infertility: Any connection?
For women, there's sometimes a link between having an underactive thyroid gland (hypothyroidism) and infertility.
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