Birth control pills
Learning Center
Delaying your period with hormonal birth control
Delaying your period is possible if you use an extended or continuous method of birth control. Find out how you can have more control over your menstrual cycle.
Urinary incontinence
Learn about possible causes of the loss of bladder control and what treatments are available for this problem.
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.
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.
Breast cancer types: What your type means
Doctors use specialized tests to analyze your cancer cells and gather information to determine your breast cancer type.
Genetic testing
Genetic testing: Learn why it's done, how to prepare and what to expect from diagnostic tests, carrier tests, prenatal tests and newborn screening.
COVID-19 diagnostic testing
Find out how COVID-19 diagnostic testing is done to learn if you're currently infected with SARS-CoV-2, the virus that causes coronavirus disease 2019.
COVID-19: Long-term effects
Learn about the possible long-term effects of COVID-19.
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about vitamin D and coronavirus disease 2019 (COVID-19).
Different types of COVID-19 vaccines: How they work
Find out how different COVID-19 vaccines cause your body to create antibodies that will fight the COVID-19 virus.
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