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我院1984年分娩总数为1790例,其中过期妊娠146例,占8.1%。年龄最小21岁,最大39岁。初产妇139例,2产6例,3产1例。头位产144例,臀位产2例。146例中月经周期28~30天者117例,31~40天者11例,41~50天者9例,51~60天者6例,2~3个月者1例,3个月以上者2例,本组B超检查胎盘成熟度16例,其中胎盘成熟Ⅰ度者8例,Ⅱ度者8例,本组胎盘成熟度与妊娠周数无明显关系(例数太少)。过期妊娠与围产儿的关系见表。
The total number of deliveries in our hospital in 1984 was 1790 cases, of which 146 cases of expired pregnancy, accounting for 8.1%. Youngest 21 years old, maximum 39 years old. 139 cases of primipara, 2 in 6 cases, 3 cases in 1 case. 144 cases of head position, breech production in 2 cases. In 146 cases, there were 117 cases with menstrual cycle of 28-30 days, 11 cases of 31-40 days, 9 cases of 41-50 days, 6 cases of 51-60 days, 1 case of 2-3 months, more than 3 months 2 cases, the group B ultrasound examination of 16 cases of placental maturity, including 8 cases of placental maturity Ⅰ degree, 8 cases of Ⅱ degree, the group of placental maturation and pregnancy weeks no significant relationship (the number is too small). Expired pregnancy and perinatal relationship shown in the table.