Toddler health
Learning Center
Female fertility: Why lifestyle choices count
Know what you can do to protect being able to get pregnant.
Female infertility
Learn about infertility in women, including possible causes, what tests might be needed and fertility treatments available to help with getting pregnant.
Female orgasm: No climax with vaginal penetration?
Not all women have orgasms with vaginal penetration during sex. Most women need stimulation of the clitoris to climax.
Female sexual dysfunction
Learn more about female sexual difficulties — what causes them and possible treatments, including medications.
Fetal development: The 1st trimester
Fetal development begins before you even know you're pregnant. Here's what happens early on.
Fetal development: The 2nd trimester
Fetal development progresses rapidly in the second trimester. Check out the weekly changes.
Fetal development: The 3rd trimester
Fetal development continues as your due date approaches. The countdown is on!
Fetal ultrasound
Look at ultrasound images and learn how to understand what you're seeing.
Fibroadenoma
Learn about this common breast lump. It is not cancer. Unless you have symptoms that bother you, treatment might not be needed.
Fibrocystic breasts
Learn about this condition that's common in women, including symptoms, possible causes and testing to determine when breast cysts might need treatment.
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