Doppler waveform patterns of the umbilical artery - screening test for high risk pregnancies

S. Mullick, P. Kushtagi, U. K. Swain, K. Rao, B. G. Muralidhar

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Doppler assessment of umbilical artery waveforms using the peak systolic to end diastolic (S/D) ratio was used to determine if complications associated with impaired trophoblastic invasion of placental bed (i.e. pregnancy induced hypertension and intrauterine growth retardation) could be predicted. Values for S/D ratio of at least 4, 3.5 and 3 at 22-26, 30-32 and ≥ 37 weeks gestation, respectively, were found to be better predictors of such complications. Pregnancy-induced hypertension could be predicted in 63% and growth retardation in 60% cases at 22-26 weeks of gestation.

Original languageEnglish
Pages (from-to)115-118
Number of pages4
JournalInternational Journal of Gynecology and Obstetrics
Issue number2
Publication statusPublished - 01-01-1993


All Science Journal Classification (ASJC) codes

  • Obstetrics and Gynaecology

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