Teen health
Learning Center
Fallopian tubes: Is pregnancy possible with only one?
Pregnancy may be possible with one fallopian tube.
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.
Fibrocystic breast changes: Linked to breast cancer?
Fibrocystic breast changes are common and not linked to increased risk of breast cancer.
Flu shot in pregnancy: Is it safe?
Will you be pregnant during flu season? A flu shot is safe — and it protects both you and your baby.
Fundal height: An accurate sign of fetal growth?
Understand how fundal height is measured and what it means.
HER2-positive breast cancer: What is it?
HER2-positive breast cancer tends to be more aggressive than other types of breast cancer. Treatments that target HER2 are very effective.
HPV infection: How does it cause cervical cancer?
Cervical cancer is most often caused by a genital human papillomavirus (HPV) infection.
Headaches during pregnancy: What's the best treatment?
Headaches during pregnancy are common. Here's help easing the pain.
Heart failure and sex: Is it safe?
Many people with heart failure worry that sex might harm their hearts. How do you know when it's OK to be intimate? Cardiac rehab and counseling can help.
Hemorrhoids during pregnancy: What's the best treatment?
Know how to relieve painful, swollen veins in the anus and rectum during pregnancy.
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