Influence of ritodrine on plasma steroids and human placental lactogen levels in third-trimester pregnancies

P. Schreyer, Y. Zer, S. Ariely, A. Herman, E. Caspi

Research output: Contribution to journalArticlepeer-review

Abstract

The effects of ritodrine, administered by intravenous, intramuscular or per os routes, upon plasma levels of unconjugated estriol, estradiol, progesterone and human placental lactogen (HPL) were investigated in 24 third-trimester pregnancies. Ritodrine administered at a constant rate of 200 μg/min for 3 h, injected intramuscularly 8 x 10 mg/day for 5 days or given orally in doses of 6 x 20 mg/day for 10 days resulted in a significant decrease in the steroid hormone concentration and a significant elevation of HPL levels.

Original languageEnglish
Pages (from-to)10-13
Number of pages4
JournalGynecologic and Obstetric Investigation
Volume27
Issue number1
DOIs
StatePublished - 1989
Externally publishedYes

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