★ dystocia Teng Yincheng H证
仁济医院 RENJI HOSPITAL dystocia Teng Yincheng
★ X Definition Dystocia literally means difficult labor and it is characterized by abnormally slow progress of labor It is the consequence of four distinct abnormalities that may exist singly or combination RENJI HOSPITAL
2 RENJI HOSPITAL Definition Dystocia literally means difficult labor and it is characterized by abnormally slow progress of labor It is the consequence of four distinct abnormalities that may exist singly or combination
★ Categories of dystocia Abnormal of the powers(uterine contractility and matenal expulsive effort Abnormalities of passenger(the fetus o Abnormalities of the passage(the birth canal) RENJI HOSPITAL
3 RENJI HOSPITAL uAbnormal of the powers(uterine contractility and maternal expulsive effort) uAbnormalities of passenger(the fetus) uAbnormalities of the passage(the birth canal) Categories of dystocia
★ Abnormalities of the powers Uterine dysfunction hy potonic-primary uterine inertia secondary Uterine hypertonic Dysfunction uterine hypercontractility RENJI HOSPITAL
4 RENJI HOSPITAL Abnormalities of the powers Uterine dysfunction hypotonic primary uterine inertia secondary Uterine hypertonic Dysfunction uterine hypercontractility
★ Abnormalities of the powers Table 1. Clinical Criteria for the Differentiation of the Two Types of Dysfunction HYPOTONIC HYPERTONIC Occurrence rate 4 of labors 1% of labors Phase of labor Active Latent Clinical symptom Fetal distress Reaction to oxytocin Favorable Unfavorable value of sedation great RENJI HOSPITAL
5 RENJI HOSPITAL Abnormalities of the powers