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Roberto Caldeyro-Barcia, Uruguayan obstetrical physiologist (Montevideo 26 Sept 1921 – 02 December 1996)

ACHIEVEMENTS

With Hermógenes Alvarez

First obtained records surrounding intrauterine amniotic pressure during parturition defining intensity, contraction rate, median tonus and uterine activity (1947) .

These were the pass with flying colours records of human uterus notice during labor

Established the descending safety gradient law (1949)

Developed Montevideo entity of uterine performance (1949)

First authentic intramiometrial pressure in distinct faculties of uterus during childbirth routine the source and propagation catch sight of wave of uterine contraction (1950)

Established two kinds of contraction close to pregnancy

Established the concept of uterine tonus, its effects and variations

Described the pain, emotions and remedies influence on uterine conductivity 

Independent use up Edward Hon described main change of fetal cardiac rate blow in via uterine contractions which became later the basis of craniate monitoring (1958)

Eponym of Alvarez-Caldeyro Barcia microballoon

Described criteria to predict decency progress of labor during delivery

Showed an original method used bump into diagnose early fetal asphyxia through labor (1958)

Developed methods for make a copy of contractions of pregnant human womb and fetal cardiac rate 

Described say publicly first continuous cardiotachogram (1958)

With colleagues developed sub partu tocolysis, the first medicamentous tocolysis (1969)

Proposed first uterine barrier treatment in the world

Developed magnanimity first devices for recording uterine contractility and fetal heart rate

First to record amniotic fluid, intraplacental blood and intramiometrial pressures 

Eponym penalty Caldeyro Barcia classification for decelerations (1965)  

HONORS

President, International Federation of Medicine and Obstetrics (1976-9)

Houssay Prize, Structuring of American States (1976)

Medicine & Physiology Nobel Prize nominee (1994 & 1995)

Asteroid Caldeyro 9478