Relation of rate of urine production to oxygen tension in small-for-gestational-age fetuses

K. H. Nicolaides, M. T. Peters, S. Vyas, R. Rabinowitz, D. J D Rosen, S. Campbell

Research output: Contribution to journalArticle

71 Scopus citations

Abstract

Hourly fetal urine production rate was determined by real-time ultrasonography immecliately before cordocentesis for blood gas analysis in 27 small-for-gestational-age fetuses at 20 to 37 weeks' gestation; in 14 cases there was associated oligohydramnios. The values were compared with those of 101 appropriate-for-gestational-age fetuses. The hourly fetal urine production rate was significantly lower in the small-for-gestational-age fetuses than in the appropriate-for-gestational-age fetuses. Furthermore, there was a significant correlation between the degree of decrease in urine production and both the degree of fetal hypoxemia and the degree of fetal smallness. There was no significant difference between the oligohydramnios and nonoligohydramnios groups in either the degree of decrease in urine production or the degree of fetal hypoxemia.

Original languageEnglish (US)
Pages (from-to)387-391
Number of pages5
JournalAmerican journal of obstetrics and gynecology
Volume162
Issue number2
DOIs
StatePublished - Feb 1990

Keywords

  • Hourly fetal urine production rate
  • cordocentesis
  • fetal blood Po
  • oligohydramnios
  • small for gestational age

ASJC Scopus subject areas

  • Obstetrics and Gynecology

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