نتایج جستجو برای: paternal age
تعداد نتایج: 762716 فیلتر نتایج به سال:
OBJECTIVE To determine if paternal age elevates the risk of low birthweight (< 2500g, LBW), preterm birth (< 37 weeks gestation), and multiple gestation among mothers whose age does not predict an elevated risk. DESIGN/METHODS Population data on birth outcome, maternal age and paternal age was obtained from Alberta Health and Wellness for all births 1990-1996. RESULTS Among women aged 25 to...
Using the Structured Clinical Interview for DSM-IV, patient and non-patient version (SCID-P/NP), this study investigated 351 patients with schizophrenia, 122 with obsessive-compulsive disorder (OCD), and 238 unrelated healthy volunteers in a Chinese Han population. The relative risks posed by advanced paternal age for schizophrenia and OCD in offspring were computed under logistic regression an...
CONTEXT Maternal and paternal ages are associated with neurodevelopmental disorders. OBJECTIVE To examine the relationship between advancing paternal age at birth of offspring and their risk of autism spectrum disorder (ASD). DESIGN Historical population-based cohort study. SETTING Identification of ASD cases from the Israeli draft board medical registry. PARTICIPANTS We conducted a stu...
BACKGROUND Spontaneous mutations in germ cells increase with male age, but an association between paternal age and congenital malformations is not well established. We conducted a population-based cohort study to estimate this association. METHODS A study population of couples and their firstborn children were identified in the Danish Fertility Database between 1980 and 1996 (n = 71937). Diag...
STUDY QUESTION How has the mean paternal age in the USA changed over the past 4 decades? SUMMARY ANSWER The age at which men are fathering children in the USA has been increasing over time, although it varies by race, geographic region and paternal education level. WHAT IS KNOWN ALREADY While the rise in mean maternal age and its implications for fertility, birth outcomes and public health ...
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