Nutrition basics
Learning Center
Basal body temperature for natural family planning
Learn the steps for tracking body temperature for pregnancy or contraception. Find out when during your menstrual cycle you're more likely to be fertile.
Bed rest during pregnancy: Get the facts
What's the difference between bed rest and pelvic rest during pregnancy? Are there benefits? Understand the recommendations and how to cope.
Belly fat in women: Taking — and keeping — it off
Belly fat is more common after menopause. Find out why and learn how to keep it off.
Bilirubin test
Find out what to expect from a bilirubin test — an important blood test that determines how your liver is functioning.
Bioidentical hormones: Are they safer?
There's no evidence that bioidentical hormones are safer than standard hormone therapy for menopause.
Biopsy: Types of biopsy procedures used to diagnose cancer
Learn about the different ways of collecting suspicious cells to test in the lab to diagnose cancer.
Bipolar disorder in children: Is it possible?
Bipolar disorder in children and teenagers is possible. Finding it early and treating it can help.
Birth control pill FAQ: Benefits, risks and choices
The birth control pill is surrounded by misinformation. Get the facts on common concerns and questions about taking the pill.
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.
Birth control: Can preejaculation fluid cause pregnancy?
This possible cause of pregnancy makes withdrawal a method of birth control you cannot rely on.
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