Redford D H
Acta Genet Med Gemellol (Roma). 1982;31(3-4):145-8. doi: 10.1017/s0001566000008229.
Total intrauterine volume (TIUV) was determined serially in 27 twin pregnancies from which a nomogram was constructed. At the beginning of the second trimester, TIUV was similar to that in singleton pregnancy; by the 18th week it had become twice as large, and remained so until late in pregnancy. Labor was preceded more frequently by a slowing than by an acceleration of uterine growth.
对27例双胎妊娠连续测定子宫内总体积（TIUV），并据此绘制了列线图。在孕中期开始时，TIUV与单胎妊娠相似；到第18周时，其体积增大了一倍，并一直保持到妊娠晚期。分娩前子宫生长减缓的情况比加速更为常见。
