Metabolic effects of intravenous ritodrine infusion during pregnancy

P. Schreyer*, E. Caspi, S. Ariely, I. Herzianu, P. User, Y. Gilboa, J. L. Zaidman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


The effect of intravenous administration of ritodrine on blood glucose, insulin, free fatty acids and electrolytes in 17 third-trimester gravidas was investigated. A highly significant increase in blood glucose, insulin and free fatty acids and a marked decrease in serum potassium levels were registered. No significant changes during ritodrine infusion were recorded in serum levels of sodium, chloride, calcium, phosphorus and magnesium. No cardiac arrhythmias or electrocardiographic deteriorations occurred. While intravenous ritodrine administration seems to be safe in normal pregnancy, there may be a risk in diabetic patients, digitalized cases and those patients being treated with diuretics.

Original languageEnglish
Pages (from-to)97-103
Number of pages7
JournalEuropean Journal of Obstetrics and Gynecology and Reproductive Biology
Issue number2
StatePublished - Apr 1979


  • beta-mimetics
  • free fatty acids
  • glucose
  • insulin
  • potassium


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