Friedman curve

par·to·gram

(par'tō-gram), Graph of labor parameters of time and dilation with alert and action lines to prompt intervention if the curve deviates from expected. Synonym(s): Friedman curve, labor curve [L. partus, childbirth, + -gram]

par·to·gram

(pahr'tō-gram) Graph of labor parameters of time and dilation with alert and action lines to prompt intervention if the curve deviates from expected.
Synonym(s): Friedman curve, labor curve.
[L. partus, childbirth, + -gram]

Friedman,

Emanuel A., U.S. obstetrician, 1926–. Friedman curve - a graph on which hours of labor are plotted against cervical dilation in centimeters.