Skeletal Dysplasia Definition Skeletal dysplasia (also known as osteochondrodysplasia ) is a genetically diverse group of >450 disorders , of the skeleton causing abnormal bone length, shape, and density, with varying degrees of disability. Incidence and Epidemiology Incidence of skeletal…
Pyelectasis Definition Pyelectasis (or pelviectasis) is a fluid collection causing dilation of the fetal renal pelvis, indicating a risk for persistent postnatal renal impairment and/or need for surgical intervention. Incidence/Epidemiology Renal pyelectasis is seen in 2%–5% of all pregnancies. Etiology/Pathogenesis…
Abdominal Ascites Definition Ascites is an abnormal fluid collection within the fetal peritoneal cavity and is often the first finding in hydrops fetalis. Ascites is present in 85% of cases of nonimmune hydrops fetalis. Isolated fetal ascites indicates there is…