双胎妊娠分娩过程中,由于两胎儿较小或产妇骨盆较大,两胎儿先露部同时入盆,也能发生嵌顿,造成阻塞性难产。如对此现象能及时发现,作阴道检查明确诊断后,宜用手推上第二个胎儿先露部,使第一胎儿先露下降,即能顺利分娩。因其罕见,我院曾遇2例,现 Twin pregnancy during childbirth, due to two smaller fetuses or a larger pelvic mothers, the two fetus at the same time into the basin dew, but also incarcerated, resulting in obstructive dystocia. If this phenomenon can be found in time, for a clear diagnosis of vaginal examination, it is appropriate to use the hand on the second pre-exposed part of the fetus, so that the first fetus first revealed decline, that is, to the successful delivery. Because of its rare, our hospital had 2 cases, now