نتایج جستجو برای: monozygotic twins
تعداد نتایج: 14593 فیلتر نتایج به سال:
Objectives: This study aimed to assess suicidal ideation based on gender, age, marital status and heritability coefficient estimate in a sample of 11 to 35 years-old monozygotic and dizygot twins. Method: One hundred and sixteen twins (MZ=66, DZ=50 age, 11-35) were invited to complete the Suicide Ideation Scale (SIS) in the anniversary of Laleh and Ladan. Results: Analysis of variance showed th...
BACKGROUND Monozygotic monochorionic triplet pregnancy with conjoined twins is a very rare condition and is associated with many complications. CASE In this study, we describe a monochorionic-diamniotic triplet pregnancy after in vitro fertilization with an intracytoplasmic sperm injection. At a gestational age of 6 weeks and 4 days of pregnancy one gestational sac was observed, and at a gest...
Context Autism is considered the most heritable of neurodevelopmental disorders, mainly because of the large difference in concordance rates between monozygotic and dizygotic twins. Objective To provide rigorous quantitative estimates of genetic heritability of autism and the effects of shared environment. Design, Setting, and Participants Twin pairs with at least 1 twin with an autism spectrum...
CONTEXT Autism is considered the most heritable of neurodevelopmental disorders, mainly because of the large difference in concordance rates between monozygotic and dizygotic twins. OBJECTIVE To provide rigorous quantitative estimates of genetic heritability of autism and the effects of shared environment. DESIGN, SETTING, AND PARTICIPANTS Twin pairs with at least 1 twin with an autism spec...
We assessed the magnitude of the genetic component in the variation of circulating levels of insulin-like growth factors I and II (IGF-I and IGF-II), and their binding proteins IGFBP-1 and IGFBP-3 by measuring their serum concentrations in 32 monozygotic and 47 dizygotic adult twin pairs of the same sex. The intrapair correlation for the IGF-I levels was r = 0.41 (P < 0.009) for monozygotic twi...
Anthropologists are commonly believed that characteristics and the shapes of the human external ear are extensively different. The objective of this study is to explore the potential of anthropometric data from external ear in individualization of monozygotic twin which also known as identical twin. Data of external ear features using 16 landmarks along with the measurements of inter-landmark l...
The study of discordant monozygotic twins may identify important developmental risk factors for adult psychiatric disorder. Differential experience in utero is one candidate environmental risk factor that may distinguish monozygotic twins. In this report, we examine whether intra-pair differences in birth weight predicts discordance for adult psychiatric disorders in 527 female monozygotic twin...
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