Second trimester
Learning Center
Wheezing in children: Could it be asthma?
Wheezing in children may be a sign of asthma — but not always.
Vitamin D for babies: Are supplements needed?
A Mayo Clinic specialist explains why, when and how to give your baby vitamin D.
Ventricular septal defect (VSD)
In this heart problem present at birth, there is a hole between the two lower heart chambers. Know the symptoms and when surgery is needed.
Thalassemia
Some forms of this inherited blood disorder usually show up before the age of 2, often causing anemia. More severe forms of the disease require regular blood transfusions.
Prenatal care: 2nd trimester visits
Prenatal care can help ensure a healthy pregnancy. Here's an overview of second trimester visits.
Mayo Clinic Minute: The road to hearing for baby Aida
Learn about a child with deafness treated at Mayo Clinic with cochlear implants.
Green stool
Learn about the possible causes of green stools in adults and infants.
Fundal height: An accurate sign of fetal growth?
Understand how fundal height is measured and what it means.
Frostbite
Learn how to prevent cold injury to the skin when outdoors in freezing temperatures and how to treat and recover from frostbite.
Fetal development: The 2nd trimester
Fetal development progresses rapidly in the second trimester. Check out the weekly changes.
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