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The objective of the study was to evaluate differences in the perinatal complications and in the 3-year follow up of infants of diabetic mothers with and without diabetic nephropathy stage IV. We compared the fetal and maternal complications and the early postpartal development until 3 years after delivery in 10 children of nephropathic diabetic mothers and 30 children of diabetic mothers without nephropathy. The mean (+/-SD) birthweight of the infants of nephropathic women was 2,250 +/- 496 g versus 3,544 +/- 435 g in the women without nephoropathy (p < 0.01). Births were premature in six pregnancies (60%) of the nephrotic women but in none of the women without nephropathy (p < 0.01). Three infants (30%) of the women with nephropathy showed respiratory distress syndrome in contrast to two babies (6%) of the women without nephropathy. Pre-eclampsia or eclampsia occurred in 6 (60%) pregnant women with and in two women (6%) without diabetic nephropathy (p < 0.01). Nephrotic syndrome was observed in 7 nephrotic women (70%) in contrast to none women without nephropathy. Three years postpartum, six of the children (60%) of nephropathic women had a body weight < the 50th percentile but none of the children of the women without nephropathy did so (p < 0.01). In addition, the children of nephropathic mothers started to speak significantly later (15 +/- 3 versus 12 +/- 13 months postpartum, p < 0.05) and had infectious diseases more commonly (60% versus 6%, p < 0.01) than the children of women without nephropathy. It can be concluded that in pregnancies of diabetic women the birth weights of the infants are significantly smaller and the fetal as well as maternal complication-rates significantly higher than in those of women without nephropathy. Also 3 years after delivery, the body weight of the children of nephropathic diabetic women is significantly lower than that of children of diabetic women without nephropathy. Additionally, children of nephropathic women are retarded in terms of linguistic development and their resistance to infections is reduced.
Biesenbach et al. (Sat,) studied this question.