쌍태임신 96례에 대한 임상통계학적 고찰 = Statistical Analysis of 96 Twin Pregnancies

다국어 초록 (Multilingual Abstract)

Twin pregnancies are interesting because of the greater risk to mother and babies than singleton pregnancies. Clinical evaluation with multiple aspects were made on 96 cases of twin pregnancy in Paik Hospital from Jan 1. 1990 to Dec. 31. 1996. The results were as follows: 1. Number of twin pregnancies were 96 cases among 5,321 deliveries. (l:55.4) 2. The predominant age group of gravida was 26 ~ 30 which covers 52.1% of all and mean age was 28.9 years old. According to parity, most frequent group was nullipara which covers 65.3%. 3. The predominent gestational age group of twin births was 35 ~ 36 weeks and mean gestational weeks of twin births was 35(+3). 4. In presentation, the cephalic-cephalic combination was 50% and the cephalic-breech 41.7%. 5. The maternal complications during pregnancy were anemia(55.2%), toxemia(19.8%), and in labor and postpartum state were uterine dysfunction(9.4%), postpartum hemorrhage(21.6%). 6. The most common mode of twin delivery was cesarean section and its incidence was 65.6%. Its main indications were elective, previous cesareansection, malpresentation and preeclampsia. Vaginal delivery was done in 34.4% of the cases, the first baby was 29.2% in spontaneous delivery and 3.1% in vaccum extraction, and the second baby was 18.7% in spontaneous delivery and 11.5% in breech extraction. 7. The average duration of labor was 7.5hours and second baby was delivered within 5 minutes after first baby delivery, in 85.4% of cases. 8. The birth weight of the first and second baby were 2,173 grams and 2,077 grams, respectively and the former washeaiver by 96 grams. 9. In 64.6% of cases, the type of placenta was diamniotic-monochorionic. 10. Both male was 43.8%, both female was 42.7％, and opposite sex was 13.5% in ingant sex. 11. There were 19 perinatal death, its revealing 9.7% of perinatal mortality rate of twin and the most common cause of perinatal death was prematurity with 84.2%. There was one maternal death due to atonic bleeding, and she refused to be transfused because that her religion was Jehovah`s witness.