Woods D L, Malan A F
Br J Obstet Gynaecol. 1978 May;85(5):332-3. doi: 10.1111/j.1471-0528.1978.tb14888.x.
The site of the insertion of the umbilical cord into the placenta was determined in 940 consecutive term infants. No relation was found between birth weight and whether the cord was inserted centrally, eccentrically or marginally.
对940例足月新生儿连续进行脐带插入胎盘部位的测定。未发现出生体重与脐带是中央插入、偏心插入还是边缘插入之间存在关联。