OBSTETRICAL ULTRASOUND: Fetal Abnormalities

O-1-SCommon Indications for Obstetrical Ultrasound
O-2Fetal Anomalies Detectable by Ultrasound
O-3Large for Dates Fetus
O-4Small for Dates Fetus - Fetal and Maternal Factors
O-5Intrauterine Growth Retardation - Fetal or Placental Factors
O-5-SIntrauterine Growth Retardation - Maternal Factors
O-6Failure of Fetal Head to Engage During Labor - Fetal Factors
O-7Fetal Cranial Deformity
O-8Fetal Brain - Midline Cystic Mass
O-9Fetal Brain - Lateral or Asymmetrical Cystic Mass
O-10Fetal Ventriculomegaly (Hydrocephalus)
O-11Massive Fetal Intracranial Fluid Collections
O-12Fetal Intracranial Calcifications
O-13Straight Fetal Spine
O-14Fetal Neck Mass
O-15Fetal Chest Mass
O-16Fetal Cardiac Mass
O-17Nonvisualization of Fetal Stomach
O-18Echogenic Fetal Bowel
O-19Fetal Hepatosplenomegaly
O-20-1Fetal Cystic Abdominal Mass
O-20-2Fetal Cystic Abdominal Mass - Upper Abdomen
O-20-3Fetal Cystic Abdominal Mass - Midabdomen and Posterior Renal
O-20-4Fetal Cystic Abdominal Mass - Lower Abdomen and Pelvis
O-21Fetal Intra-abdominal Calcifications
O-22Large Fetal Abdomen During Last Trimester
O-23Fetal Ascites
O-24Fetal Anterior Abdominal Wall Defect
O-25Fetal Skin Thickening (Diffuse Hypertrichosis)
O-26Oligohydramnios
O-27-1Fetal Abnormalities Associated with Polyhydramnios
O-27-2Maternal Factors Associated with Polyhydramnios