Henson G, Dawes G S, Redman C W
Br J Obstet Gynaecol. 1984 Aug;91(8):751-5. doi: 10.1111/j.1471-0528.1984.tb04844.x.
Fetal heart rate (FHR) variation has been studied by computerized numerical analysis in 20 growth-retarded fetuses and 20 normal fetuses matched for gestational age. FHR variation was significantly reduced in the 14 growth-retarded fetuses where there was clinical evidence of associated pathology. Rest-activity cycles were assessed by changes in FHR variation and fetal movements. The growth-retarded fetuses with reduced FHR variation showed the same pattern of rest and activity as normal fetuses but the changes in FHR variation were of lower amplitude. This was observed even in the subgroup of six fetuses with the lowest FHR variation. Thus the unreactive FHR patterns associated with growth retardation do not arise because the fetus spends less time in activity.
通过计算机数值分析研究了20例生长受限胎儿和20例孕龄匹配的正常胎儿的胎心率（FHR）变化。在14例有相关病理临床证据的生长受限胎儿中，FHR变化显著降低。通过FHR变化和胎儿运动的改变来评估静息 - 活动周期。FHR变化降低的生长受限胎儿与正常胎儿表现出相同的静息和活动模式，但FHR变化的幅度较小。即使在FHR变化最低的6例胎儿亚组中也观察到了这一点。因此，与生长受限相关的无反应性FHR模式并非因为胎儿活动时间减少而出现。
