cephalopelvic disproportion


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cephalopelvic disproportion

[¦sef·ə·lō¦pel·vik ‚dis·prə′pȯr·shən]
(medicine)
A condition in which the fetus is unable to pass safely through the pelvis during labor because of pelvic contraction, an unfavorable fetal position, or a large fetal head in relation to pelvic size. Abbreviated CPD.
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References in periodicals archive ?
Furthermore, failed IOL must be differentiated from failure to progress in labour and from cephalopelvic disproportion or malpresentation.
For example, a patient lacking significant risk factors for dystocia having a history of a vaginal delivery followed by a cesarean for breech or a woman who has already had one or more vaginal deliveries after cesarean should not trigger the same set of mandates/guidelines as a short, obese, 36-year-old secundigravida whose initial cesarean was for an arrest disorder consistent with cephalopelvic disproportion.
This may help in predicting cephalopelvic disproportion when labour progress is poor, (1) or give early warning of possible shoulder dystocia.
Up to 77 percent of women for whom the indication for cesarean delivery was a nonprogressive labor (sometimes diagnosed as cephalopelvic disproportion or CPD) and who tried labor again, had a VBAC for a subsequent birth.