Hashimoto B E, Filly R A, Callen P W
J Ultrasound Med. 1986 Apr;5(4):203-4. doi: 10.7863/jum.1986.5.4.203.
The sonograms from 15 patients who underwent 40 intrauterine transfusions at the University of California San Francisco School of Medicine, between December 1981 and December 1984 were retrospectively reviewed. The authors found that 12 to 14 ml of fluid were easily seen in 18- to 20-menstrual-week fetuses and that 30 to 40 ml were seen in fetuses at greater than or equal to 30 menstrual weeks. Since the study was retrospective, the absolute minimum of detectable fetal intraperitoneal fluid was not recorded for each fetus. The above represent amounts that were consistently documented during each intrauterine transfusion. In order to gain information about the minimum detectable fetal intraperitoneal fluid, two fetuses undergoing intraperitoneal transfusions were studied prospectively. The minimum fetal intraperitoneal fluid volumes observed were 10 ml in a 22-week fetus and 15 ml in a 26-week fetus.
对1981年12月至1984年12月间在加利福尼亚大学旧金山分校医学院接受40次宫内输血的15例患者的超声图进行了回顾性研究。作者发现，在妊娠18至20周的胎儿中很容易看到12至14毫升的液体，而在妊娠30周及以上的胎儿中可看到30至40毫升。由于该研究是回顾性的，因此没有记录每个胎儿可检测到的胎儿腹腔内液体的绝对最小值。上述数值代表每次宫内输血期间持续记录的量。为了获得有关可检测到的胎儿腹腔内液体最小值的信息，对两名接受腹腔内输血的胎儿进行了前瞻性研究。观察到的最小胎儿腹腔内液体量在22周胎儿中为10毫升，在26周胎儿中为15毫升。
