منابع مشابه
Zygosity diagnosis of twins by questionnaire.
Subjects were 189 twin pairs, 165 MZ and 24 same-sexed DZ, who entered the junior high school affiliated to Tokyo University (sample T), and 93 twin pairs, 71 MZ and 22 same-sexed DZ, who were registered at Kinki University (sample K). The zygosity was previously identified by many genetic markers, and this study aimed at zygosity diagnosis by questionnaire. The latter included three questions:...
متن کاملZygosity diagnosis in young twins by questionnaire for twins' mothers and twins' self-reports.
The present study deals with the determination of zygosity in twins of childhood age by simple questionnaire. The subjects were 224 twin pairs and their mothers, consisting of 159 monozygotic and 65 same-sex dizygotic pairs, identified by genetic markers including DNA samples. Mothers of twins responded to 19 questionnaire items dealing with twin similarity in 16 items about physical features a...
متن کاملCongenital malformations in twins: effect of chorionicity and zygosity.
We conducted this study to determine the pattern of congenital malformations in twins born in our hospital over a 9 month period (January to September 2006). Gross congenital anomalies were recorded within 6 hours of birth by detailed clinical examination in all successively delivered ≥23 weeks twin babies, whether stillborn or live-born. Radiological and autopsy examinations were carried out a...
متن کاملZygosity diagnosis in young twins by parental report.
This study reports on zygosity determination in twins of childhood age. Parents responded to questionnaire items dealing with twin similarity in physical characteristics and frequency of mistaking one twin for another by parents, relatives and strangers. The accuracy of zygosity diagnosis was evaluated across twins aged 6, 8, and 10 and across parents. In addition, it was examined whether the u...
متن کاملDoes chorionicity or zygosity predict adverse perinatal outcomes in twins?
OBJECTIVE The purpose of this study was to evaluate chorionicity and zygosity as risk factors for adverse perinatal outcomes in twins. STUDY DESIGN A population-based, retrospective cohort study was conducted of all twin deliveries in Nova Scotia, Canada, from 1988 to 1997. Chorionicity was established by histologic examination. Zygosity was determined by chorionicity, sex, and infant blood g...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Paediatric and Perinatal Epidemiology
سال: 2005
ISSN: 0269-5022,1365-3016
DOI: 10.1111/j.1365-3016.2005.00609.x