A. Weissman, O. Goldstick, A. Geva, E. Z. Zimmer
Computerized analysis of fetal heart rate indices during oral glucose tolerance test
Aims: To study the effect of maternal glucose ingestion
during a 100 g oral glucose tolerance test on fetal heart
rate indices.
Study design: Prospective study including 50 pregnant
patients with an abnormal glucose challenge test who
underwent a 100 g glucose tolerance test at 26–28 weeks
gestation. Fetal heart rate was recorded and analyzed
with the computerized Sonicaid Fetal Monitor System
(Oxford 8000).
Results: Baseline fetal heart rate significantly increased
120 and 180 minutes following glucose ingestion (p <
0.05) both in patients who were subsequently diagnosed
to have gestational diabetes and in these in whom the diagnosis
was excluded. No significant changes were noted
in other fetal heart indices.
Conclusions: The significant and consistent increase in
baseline fetal heart rate following maternal glucose ingestion
indicates that the fetus responds to changes in
its' environment. The exact mechanism which causes this
response has yet to be defined.
Journal of Perinatal Medicine, Walter de Gruyter
Print ISSN: 1619-3997
Volume: 31, 07/2003
Pages: 302 - 306
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