Childhood Cancer among Twins and Higher Order Multiples
نویسندگان
چکیده
منابع مشابه
Childhood cancer among twins and higher order multiples.
Although several studies have found no change or a decreased risk of childhood cancer in twins, few have controlled for potential confounders such as birth weight. We examined the association of birth plurality and childhood cancer in pooled data from five U.S. states (California, Minnesota, New York, Texas, and Washington) using linked birth-cancer registry data. The data, excluding children w...
متن کاملErrors in birth registrations and coding of twins and higher order multiples.
Dizygotic compared with monozygotic conceptions are at decreased risk of fetal and infant death and serious morbidity in surviving infants. Different sex twin maternities must be dizygotic but miscoding and incorrect registration of sex and number of fetuses may lead to an incorrect assignment of zygosity. The aim of the study was to validate the coding and registration of number and sex of bir...
متن کاملHigher order multiples--socioeconomic impact on family life.
AIMS Assisted reproduction led to an enormous increase of multifetal gestation. Apart from the obstetrical risks the physical, psychological and socioeconomic problems in families after the birth of higher order multiples often lack attention. STUDY DESIGN Anonymous questionnaires were sent to 92 families who had delivered higher order multiples at our hospital (1983--1998). In a retrospectiv...
متن کاملLeukaemia and childhood cancer in twins.
Data from the United Kingdom on childhood leukaemia and childhood cancer in twins and from the United States on leukaemia in twins are analysed by a new method. The method distinguishes determinants occurring before the stage of pregnancy corresponding with the cleavage of MZ pairs, from determinants occurring after this point. It derives estimates of the frequencies of each class of determinan...
متن کاملChildhood cancer among Alaska Natives.
OBJECTIVE The primary purpose of this study was to examine the occurrence of cancer in Alaska Native (AN) children (under age 20). Although several studies have compared differences in cancer incidence between white and black children, few have examined cancer among Alaska Natives/American Indians. We know of no published article describing cancer incidence in AN children. We compared our findi...
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ژورنال
عنوان ژورنال: Cancer Epidemiology Biomarkers & Prevention
سال: 2009
ISSN: 1055-9965,1538-7755
DOI: 10.1158/1055-9965.epi-08-0660