11-20 of 611 Results Found
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Pulmonary Stenosis in Children What is pulmonary stenosis in children? Pulmonary stenosis is a birth defect of the heart (congenital). It can happen when the pulmonary valve doesn’t grow as it should in a baby during the first 8 weeks of pregnancy. The pulmonary valve connects
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Medical Genetics: Types of Genetic Changes The human body has about 20,000 different genes in each cell. Genes are located on chromosomes, which are stick-shaped structures in the middle of the cell (nucleus). Each cell usually has 46 chromosomes grouped in 23 pairs. Each gene
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Newborn Screening Tests What are newborn screening tests? The U.S. has a national program of newborn screening tests. These check for health disorders that can be treated if they're found very early in life. If the screening test results are abnormal, it means more tests need to
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Types of Genetic Testing Genetic tests look for changes in a person's genes. They can also look for changes in the amount, function, or structure of key proteins coded by genes. Genetic tests can look at the DNA or RNA that play a role in certain conditions. Abnormal test results
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Overview of Multiple Pregnancy What is multiple pregnancy? A multiple pregnancy is a pregnancy with 2 or more babies. Some names for these are: Twins for 2 babies Triplets for 3 babies Quadruplets for 4 babies Quintuplets for 5 babies Sextuplets for 6 babies Septuplets for 7
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Liver Transplant for Children What is a liver transplant for children? A liver transplant is surgery to replace a diseased liver with a healthy liver from another person. The new liver may come from an organ donor who has just died. A liver transplant may also come from a healthy
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Neonatal Abstinence Syndrome What is neonatal abstinence syndrome? Neonatal abstinence syndrome (NAS) is a set of signs and symptoms that may occur after babies are exposed to medicines or other substances in the uterus before birth. Babies can then experience withdrawal after
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Irritable Bowel Syndrome (IBS) in Children What is IBS in children? Irritable bowel syndrome (IBS) is a long-term (chronic) disorder that affects the intestine. IBS causes painful belly (abdominal) and bowel symptoms. With IBS, the colon appears normal. But pain and a change in
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Bone Marrow Transplant for Children What is a bone marrow transplant for children? A bone marrow transplant (BMT) is a treatment for children with certain types of cancer or other diseases. The goal of BMT is to replace a child’s diseased bone marrow with healthy bone marrow
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Spinal Muscular Atrophy in Children What is spinal muscular atrophy in children? Spinal muscular atrophy (SMA) is a disease of the nerves and muscles caused by certain genes. It affects the motor neurons in the spinal cord. It causes muscle wasting and weakness. What causes