🛠️ Invention or technique

Uterine contractility recording (Montevideo units)

Registro de la contractilidad uterina (unidades Montevideo)

Date
1947-1950 · confidence medium
Place
Hospital de Clínicas, Montevideo, Uruguay
Credited to
Roberto Caldeyro-Barcia and Hermógenes Álvarez
People
👤 Hermógenes Álvarez1905–1984👤 Roberto Caldeyro Barcia1921–1996
Field
Life & health

What it is

Measurement of intrauterine pressure with catheters during labour, and definition of Montevideo units to quantify contractions. It laid the foundations of electronic fetal monitoring.

What it led to

  • cardiotocography
  • rational use of oxytocin in labour
  • the Latin American Centre for Perinatology

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