Second trimester
Learning Center
Fetal development: The 2nd trimester
Fetal development progresses rapidly in the second trimester. Check out the weekly changes.
Delusional parasitosis
Learn more about this condition and positive steps you can take to manage the symptoms.
COVID-19 vaccines for kids: What you need to know
Learn about the safety and effectiveness of COVID-19 vaccines for kids, the possible side effects, and the benefits of vaccination.
Birthmarks
Learn to identify types of birthmarks by how the skin looks. Examples include café au lait spot, congenital nevus, port-wine stain and hemangioma.
Birthmarks
Learn to identify types of birthmarks by how the skin looks. Examples include café au lait spot, congenital nevus, port-wine stain and hemangioma.
Birthmarks
Learn to identify types of birthmarks by how the skin looks. Examples include café au lait spot, congenital nevus, port-wine stain and hemangioma.
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.
Allergies and asthma: They often occur together
Allergies and asthma? Find out how to control both conditions.
2nd trimester pregnancy: What to expect
Second trimester pregnancy often brings welcome relief from nausea, breast tenderness and other pregnancy symptoms.
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