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我院在1985年1年106例双胎妊娠中,第一婴儿自然分娩率(35.8%)第二婴儿(22.6%)。阴道分娩中第二婴儿手术率高于第一婴儿。行剖腹产术45例,剖腹产率(42.5%)。影响分娩方式的因素有2种,其一胎儿体重与分娩方式的关系,婴儿体重越大剖腹产率越高,体重越低阴道分娩率越高。其二胎位与分娩方式的关系,其中双头位及一头一臀位阴道分娩率高(42.4%)一臀一头及双臀位阴道分娩次之(12.3%),各种胎位阴道分娩者婴儿体重均小。
In our hospital in 1985, 106 cases of twin pregnancy in one year, the first child birth rate (35.8%) second infants (22.6%). The second infants in vaginal delivery had a higher rate of surgery than the first infants. Caesarean section 45 cases, caesarean section rate (42.5%). There are two factors that affect the mode of delivery: the relationship between one fetus’ weight and mode of delivery, the higher the infant’s weight is, the higher the cesarean section rate is, and the lower the weight is, the higher the vaginal delivery rate is. The second part of the relationship between fetal and delivery mode, which double head bit and a breech vaginal delivery rate (42.4%), one hip and double breech vaginal delivery (12.3%), a variety of fetal vaginal delivery weight Are small.