Ultrasonic assessment of the high rate of human multiple pregnancy in the first trimester.
作者信息
Levi S
出版信息
J Clin Ultrasound. 1976 Feb;4(1):3-5. doi: 10.1002/jcu.1870040104.
PMID:814138
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.
摘要
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