Second trimester
Learning Center
Fetal development: The 2nd trimester
Fetal development progresses rapidly in the second trimester. Check out the weekly changes.
Baby naps: Daytime sleep tips
Know when and how long babies need to nap, how to put them down for naps and how to handle fussiness.
Signs of labor: Know what to expect
Learn what you can expect as your due date approaches and your body prepares for delivery.
Types of dermatitis
Learn to identify types of dermatitis by how the skin looks. Examples include atopic dermatitis, contact dermatitis and seborrheic dermatitis.
2nd trimester pregnancy: What to expect
Second trimester pregnancy often brings welcome relief from nausea, breast tenderness and other pregnancy symptoms.
How your brain works
Which part of your brain does what? Take a tour.
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.
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.
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