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本研究测定了母血、脐血及羊水中的表皮生长因子（EGF）的浓度，以探讨EGF在妊娠过程中的变化及对胎儿发育的影响。1对象与方法1.1研究对象1.1.1选择1997年11月～1999年3月产科门诊中既往月经周期规律，末次月经清楚，宫高、腹围在正常范围，B超探测双顶径符合相应孕周的孕妇为
This study measured the concentration of epidermal growth factor (EGF) in maternal blood, umbilical cord blood and amniotic fluid to investigate the changes of EGF during pregnancy and its effect on fetal development. 1 Subjects and Methods 1.1 Subjects 1.1.1 Select the November 1997 ~ March 1999 obstetric clinic in the past menstrual cycle, the last clear menstruation, uterine height, abdominal circumference in the normal range, B-probe double top diameter in line with the corresponding pregnancy Week of pregnant women