First trimester
Learning Center
Birth control pills: Harmful in early pregnancy?
If you took birth control pills before you knew you were pregnant, the risks of birth defects are low.
Blood clots during menstruation: A concern?
Blood clots during menstrual periods aren't always a cause for a concern. But passing large clots may be a sign that something is wrong.
Fallopian tubes: Is pregnancy possible with only one?
Pregnancy may be possible with one fallopian tube.
Double uterus
Learn about symptoms, diagnosis and treatment of this uncommon condition of the uterus. It is present at birth.
Air travel with infant: Is it safe?
Planning for air travel with an infant? Know how air travel can affect a newborn's ears and breathing, and what you can do to keep your baby comfortable.
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.
Elective abortion: Does it affect subsequent pregnancies?
Understand if an elective abortion can affect your fertility or future pregnancies.
Sperm: How long do they live after ejaculation?
After ejaculation, the life span of sperm depends on the circumstances.
Choosing a birth control pill
Wondering which birth control pill is best for you? Weigh the risks and benefits of the different types of birth control pills.
Exercising with osteoporosis: Stay active the safe way
Osteoporosis weakens your bones, but you can still exercise — in fact, you should.
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