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KMID : 0358419950380050781
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Korean Journal of Obstetrics and Gynecology
1995 Volume.38 No. 5 p.781 ~ p.786
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Perinatal Deaths in Twins by Zygosity
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김석영
이국/유용균/주태림/이윤호/서경
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Abstract
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The perinatal mortality among twin pregnancies by zygosity was assessed. Of the 11,451births, 130 twins were born at Yong Dong Severance Hospital between Apr. 1983 and Dec. 1993 including 44 cases of dizygotic twins, 42 cases of monozygotic
twins(40
cases of diamniotic monochorionic twins+2 cases of monoamniotic monochorionic twins ) and 44 cases of unknown zygotic twins. We may allow determination of zygosity in twins by prenatal ultrasonic evaluation of dividing membrance, sex-discordance
and
postpartum placental examination. The incidence of twins remained 1.13% of all pregnancies and monozygotic twins occured higher perinatal death than that of dizygotic twins because of their communicating placental circulation and its associated
lethal
anomalies.
Eary prenatal ultrasonic evaluation of zygosity should be emphasized as well as recognition of twin pregnancy.
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KEYWORD
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