Second trimester
Learning Center
How to tell if a loved one is abusing opioids
Anyone using opioids is at risk of misusing these medicines. Don't ignore signs of harmful or illegal use. Taking action could save a loved one's life.
How you hear
Your ears enable you to gather and interpret sounds from the world around you.
How your brain works
Which part of your brain does what? Take a tour.
Iron deficiency in children: Prevention tips for parents
Learn how much of this key mineral your child needs and what the health risks of not getting enough are.
Limbic-predominant age-related TDP-43 encephalopathy (LATE)
LATE causes symptoms similar to Alzheimer's, but may progress more slowly.
Mental health: What's normal, what's not
Normal mental health vs. mental illness — Find out how mental disorders are defined and diagnosed.
Oral health: A window to your overall health
Find out about the link between your oral health and overall health.
Placenta: How it works, what's normal
Understand how this pregnancy organ works and what conditions can affect it.
Prenatal care: Second trimester visits
Prenatal care helps support a healthy pregnancy. Here's an overview of second trimester visits.
Signs of labor: Know what to expect
Learn what you can expect as your due date approaches and your body prepares for delivery.
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