Third trimester
Learning Center
Fetal development: The 3rd trimester
Fetal development continues as your due date approaches. The countdown is on!
COVID-19 vs. flu: Similarities and differences
Find out the similarities and differences between coronavirus disease 2019 (COVID-19) and the flu (influenza) and learn about ways to prevent getting these diseases.
Video: An asthma attack
What happens to your airways during an asthma attack?
Bleeding during pregnancy
Learn what may cause vaginal bleeding during pregnancy and when you should see a doctor about it.
Vaginal discharge
Learn what to expect when it comes to vaginal discharge. And know when changes in discharge might mean you should see a health care provider.
Breast lump or breast changes: Early evaluation is essential
Find out how a breast lump or breast change is evaluated for breast cancer.
Heavy menstrual bleeding
Learn about the causes and treatment of heavy menstrual periods.
Prenatal care: 3rd trimester visits
Prenatal care continues until delivery. Here's what you need to know about your final prenatal visits.
Mental illness in children: Know the signs
It can be hard to tell the difference between typical behavior and symptoms of mental illness in children. Find out what to look for and when to act.
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.
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