Prenatal screening for fetal abnormalities in an accepted part of modern obstetric management. Improvements on current screening procedures need to address increased diagnostic efficacy and earlier diagnosis. This study evaluates diagnostic efficacy of PAPP-A and F beta-hCG in the detection of first
Ultrasonic assessment of the high rate of human multiple pregnancy in the first trimester
โ Scribed by S. Levi
- Publisher
- John Wiley and Sons
- Year
- 1976
- Tongue
- English
- Weight
- 355 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0091-2751
No coin nor oath required. For personal study only.
โฆ Synopsis
Abstract
The ultrasonic examination of 6, 690 pregnant patients showed a greater number of multiple pregnancies than usually observed at delivery: 71 per cent of twin gestations diagnosed before 10 weeks were singletons when delivered.
๐ SIMILAR VOLUMES
We conducted a study to determine the value of serum pregnancy-specific beta-1-glycoprotein (Schwangerschafts protein 1, SP1) as an antenatal screening test for Down syndrome in the first trimester. Serum samples collected from women at 8 to 14 weeks of pregnancy, immediately prior to having a chori
Embryoscopy is the examination of the embryo at 9-10 weeks' gestation through the intact membranes by introducing an endoscope into the exocoelomic space transcervically or transabdominally. This is likely to remain confined to the management of early pregnancy in selected families affected by recur
Doppler examination of uteroplacental vessels was performed in the first trimester of pregnancy in 111 women with a normal pregnancy outcome and in 10 women with pregnancies that had or subsequently failed due to anembryonic pregnancy (N = 41, missed abortion (N = 11, subsequent spontaneous abortion