labor curve


Graph of labor parameters of time and dilation with alert and action lines to prompt intervention if the curve deviates from expected.
[L. partus, childbirth, + -gram]

la·bor curve

(lā'bŏr kŭrv)
Synonym(s): partogram, labour curve.
References in periodicals archive ?
This month's Master Class highlights a critical area of obstetrics where the convergence of technology, clinical observation, and research stimulated a change in practice guidelines: the use of the labor curve to monitor normal versus abnormal labor.
Is the original Friedman labor curve, which dates to the 1950s, still applicable today?
The labor curve of the grand mulipara: Does progress of labor continue to improve with additional childbearing?
The parameter -b is the slope of the macroeconomic supply of labor curve in (w - p, u) space, and is the slope of the labor demand curve in that space.
It is the combination of this wage setting (which is in the self-interest of the owners of the firms as distinct from that of its employees) with an upward-sloped labor curve that produces these results.
Therefore, the marginal product curve in Figure 1 has been shifted down by a factor of (1 - 1/6) = 5/6 to obtain the dashed-line demand for labor curve for a firm.
The slope of the labor curve, however, is not important for the principles of the subsequent analysis.
We have a new labor curve to guide us--one that shows us, for example, that active labor occurs most commonly after 6 cm dilation rather than 4 cm as we'd previously thought.
When contemporary data from the Consortium on Safe Labor were applied to the original Friedman labor curve, investigators found that the active phase of labor may be slower than previously thought.
These findings of an overall longer duration and slower progression of the early part of the first stage of labor have led to a proposal for adoption of a separate obese labor curve (Obstet.
We may need a whole new labor curve for these women," Dr.
Since the 1950s, obstetricians have been using the Friedman labor curve in order to assist in interpreting normal and abnormal labor patterns," lead study author Heidi K.