shoulder dystocia


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shoulder dystocia

arrest of normal labor after delivery of the head by impaction of the anterior shoulder against the symphysis pubis.

shoulder dystocia

Obstetrics An obstetrical emergency that occurs when the anterior shoulder of the fetus becomes lodged behind the superior symphysis pubis, preventing further delivery; SD is not always preventable, and is usually not recognized until after the head has been delivered, and gentle downward traction of the fetal head fails to accomplish delivery Incidence Up to 2% of deliveries–probably underreported Risk factors Maternal obesity >250 lbs–9 X risk, excess weight gain during pregnancy; DM–5-16.7% vs 1.7% in controls; postterm pregnancy–fetal growth does not stop at 40 wks; inertia of macrosomia; abnormal labor  with prolonged deceleration, prolonged 2nd stage of labor; operative vaginal delivery–forceps, vacuum extraction Management Mobilize anesthesia and pediatric support ASAP; gentle attempt at downward traction on head and moderate fundal pressure; large episiotomy; suprapubic pressure at midline; attempt to rotate shoulder; fracture the clavicle; cleidotomy; symphysiotomy–rarely done in US; McRobert's manuever–flexing legs on abdomen to ↑ diameter of pelvic outlet; Wood's screw manuever–apply pressure to ventral surface of posterior shoulder; deliver posterior shoulder. See Dystocia.

shoul·der dys·to·ci·a

(shōl'dĕr dis-tō'sē-ă)
Arrest of normal labor after delivery of the head by impaction of the anterior shoulder against the symphysis pubis.
References in periodicals archive ?
However, it finally abandoned its opposition on March 11, 2015, when its Supreme Court decided the case of a baby boy who sustained brain injury and arm paralysis at birth as a result of shoulder dystocia (Montgomery v.
Almost half of the cases involving improper performance of vaginal delivery related to brachial plexus injuries due to shoulder dystocia.
Gaumard's complete Victoria system includes comprehensive clinical scenarios, including shoulder dystocia and postpartum hemorrhage.
He had a severe shoulder dystocia and was born after his mother had a symphsiotomy.
The babies of obese women are more likely to develop neural tube defects -- spina bifida and anencephaly -- and to suffer birth injuries like shoulder dystocia, which may occur when the infant is very large.
They conducted a shoulder dystocia simulation, one of many other obstetric emergencies that can be simulated.
possibly a shoulder dystocia, which might have been caused by an injury to the brachial plexus nerve during birth.
Iris, who weighed 11lb 9oz, had got stuck during delivery due to a rare medical emergency called shoulder dystocia.
Specifically, diabetic patients had higher rates of preeclampsia, cesarean delivery, shoulder dystocia, preterm delivery, large for gestational age infant, fetal anomaly and admission to the neonatal intensive care unit.
CASE FACTS: Samantha Donaldson was alleged to have suffered Erbs Palsy in her right shoulder and arm as a result of an improperly performed shoulder dystocia delivery.
The most common labor-related risk factors are shoulder dystocia, instrumented delivery, and a short second stage of labor; prolonged second stage of labor is probably a function of shoulder dystocia and of itself not a risk factor.
In Beth's case, the condition was caused by shoulder dystocia after a difficult birth which means she has restricted arm movement and cannot fully straighten her arm.