Second trimester
Learning Center
2nd trimester pregnancy: What to expect
Second trimester pregnancy often brings welcome relief from nausea, breast tenderness and other pregnancy symptoms.
Rheumatoid arthritis: Does pregnancy affect symptoms?
Learn how pregnancy can affect rheumatoid arthritis symptoms.
COVID-19: Who's at higher risk of serious symptoms?
Advanced age and some health conditions can raise the risk of serious COVID-19 (coronavirus disease 2019) illness.
COVID-19 vaccines: Get the facts
Find out about the COVID-19 vaccines, the benefits of COVID-19 vaccination and the possible side effects.
COVID-19, cold, allergies and the flu: What are the differences?
Knowing if you have COVID-19, a cold, the flu or seasonal allergies isn't easy. Find out about the differences between these illnesses.
Joint protection for people with hand arthritis
Joint protection — photos showing joint protection techniques to avoid hand arthritis pain.
Balance exercises
Balance exercises can improve your balance and help prevent falls. See how they're done.
Guide to different tick species and the diseases they carry
Learn about different tick species and some of the diseases they may carry.
Spitting up in babies: What's normal, what's not
Spitting up in babies is common — and usually nothing to worry about.
Prenatal care: Second trimester visits
Prenatal care helps support a healthy pregnancy. Here's an overview of second trimester visits.
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