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Influence of hyperglycemia on early embryonal growth in IDDM pregnant women

M Ivanisević1, D Buković, V Starcević

  • 1Department of Obstetric and Gynecology, School of Medicine, University of Zagreb, Croatia.

Collegium Antropologicum
|July 14, 1999
PubMed

The association between maternal diabetes mellitus and congenital anomalies is well established. Congenital malformations in the offspring of diabetic mothers account for approximately forty percent of perinatal deaths. The aim of the study was to identify incidence of early embryonal delay in diabetic and normal pregnancies, and to examine relationship between the HbA1c values and early embryonal growth delay. One hundred twenty IDDM and fifty and four healthy women enrolled into the study. Pregnancy duration was confirmed by beta-HCG measurements within a fortnight from the missed menstrual period. No statistical difference was detected between the studied groups for gestational age, prepregnancy weight, newborns' birthweight and sex. The risk of spontaneous abortion in IDDM pregnancy with delayed embryonal growth was eight times higher than in IDDM pregnancies with normal growth pattern. No fetal malformations were determined in fetuses or newborns of either groups. The mean value and standard deviation of HbA1c in the IDDM patients with normal embryonic growth was 7.3 +/- 1.5%, and in the group of early embryonic growth, delay 9.39 +/- 2.37% respectively (F = 7.79; p = 0.006). This study confirmed the relationship between embryonal growth, spontaneous abortions and abnormal metabolic control of IDDM pregnancies.

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