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THE EFFECTS OF ABDOMINAL DECOMPRESSION ON PREGNANCY COMPLICATED BY THE SMALL–FOR–DATES FETUS

The effects of daily abdominal decompression were investigated in 70 pregnant patients with “small–for–dates” fetuses, and were compared with the outcome in 70 pregnant patients with “small–for–dates” fetuses who served as controls. The mean growth rate of the fetal biparietal diameter was 2.08 mm. per week in the decompression group and 1.49 mm. per week in the control group. The mean 24–hour urinary oestrogen excretion increased more rapidly in the decompression group than in the control group. The incidence of fetal distress was 14.3 per cent in the decompression group and 38.6 per cent in the control group. The incidence of infants with a low Apgar score at one minute was 10 per cent in the decompression group and 38.6 per cent in the control group. The incidence of “light–for–dates” babies was 25.7 per cent in the decompression group and 83 per cent in the control group. There were two perinatal deaths in the decompression group and eight perinatal deaths in the control group.