Ultrasonographic measurement of amniotic fluid volume in normal diamniotic twin pregnancies

Article Abstract:

Normal volumes of amniotic fluid in normal twin pregnancies may be determined by ultrasound. Researchers performed ultrasound examinations on 91 twin pregnancies with two amniotic sacs to define normal and abnormal amounts of amniotic fluid in each sac. Average volume of amniotic fluid increased from 15 to 24 weeks of pregnancy, remained stable until week 36, and then decreased. This finding is similar to fluid volumes observed in singleton pregnancies. The vertical depth and width and depth of the largest fluid pocket for each twin did not vary with progression of pregnancy. Amniotic fluid volumes below the fifth percentile and above the 95th percentile may define abnormal fluid volumes. Ultrasound measurements varied little by examiner, so measurements may be considered reliable.

Care and treatment, Amniotic fluid, Pregnancy, Multiple, Multiple pregnancy

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The accuracy of intrapartum ultrasonographic fetal weight estimation in diabetic pregnancies

Article Abstract:

A pregnant woman's diabetic status does not seem to alter the accuracy of ultrasound weight estimates of her fetus. However, these estimates do appear to be less accurate for heavier infants. Ultrasound scans were used to estimate infants' weight three days before delivery among 450 matched diabetic and non-diabetic pregnant women and then compared with actual birth weight. Estimates were equally accurate among diabetic and non-diabetic women. The error rate was 12.6% among infants weighing more than 4500 grams but was 8.4% among infants weighing less than 4500 grams.

Evaluation, Ultrasound imaging, Physiological aspects, Body weight, Diabetes in pregnancy, Gestational diabetes, Prenatal ultrasonography

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Clinical significance of prenatal ultrasonographic intestinal dilatation in fetuses with gastroschisis

Article Abstract:

A distended bowel in fetuses with gastroschisis in the absence of other complications does not appear to be a symptom that demands prompt delivery. Gastroschisis is an abdominal wall defect that permits the intestines to protrude. A distended bowel is thought to associate with more severe damage and complicated repair. A chart review of 21 fetuses with gastroschisis revealed that bowel distention was not correlated with longer time to full oral feeding, longer hospital stay, or greater need for bowel resection surgery.

Analysis, Abnormalities, Intestines, Prenatal diagnosis

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