Abnormal dystocia

Abnormal dystocia of the bone canal refers to dystocia due to pelvic stenosis. Abnormal birth canal means pelvic stenosis. The shortening of any or several of the pelvis is called pelvic stenosis. The pelvis can be narrowed at one or more of the three planes of the entrance, middle pelvis, and exit. When a radial line is narrow, it is necessary to observe the size of other radial lines in the same plane, and then comprehensively measure the size and shape of the entire pelvis to accurately estimate the impact of this pelvis on the composition of dystocia. In clinical practice, critical or mild pelvic stenosis is often encountered, and whether it will constitute dystocia is closely related to the size and position of the fetus, the plasticity of the fetal head, the productivity, the resistance of the soft tissue, and whether the treatment is timely and correct. . In addition, deformed pelvis caused by congenital abnormalities and acquired diseases are also abnormal bone birth canals.

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