prenatal risk factors

产前危险因素
  • 文章类型: Journal Article
    OBJECTIVE: The neurohabilitation treatment has been shown to be a successful method for decreasing the sequelae of perinatal brain damage (PBD) in Hungarian population. The goal of this pilot trial was to introduce this procedure by describing the results of its application in infants with PBD as demonstrated by clinical, developmental and MRI studies. As this procedure has proved to be useful, according the declaration of Helsinki, no control clinical trial was permitted.
    METHODS: Infants younger than 2 months of corrected age (CA) with prenatal and/or perinatal risk factors for brain damage. Two groups were considered. One group was treated using the \"neurohabilitation\" method (n=20), and the other was not treated (n=13) because treatment was voluntarily discontinued after the initial evaluation. Evaluations were carried out prior to 2 months of CA and at 6-8 years of age. All children showed abnormal clinical and MRI characteristics in the first study.
    RESULTS: The treated group had a higher percentage (90%) of children with normal outcome than did the non-treated group (38%; OR=2.37, CI 95%=1.2-4.7; p<0.005). In this latter group, only one out of five (20%) children born at or before 34 weeks of gestational age had a normal outcome. In contrast, eight out of nine treated preterm infants had normal outcomes (8/9=89%, OR=4.45, CI 95%=0.7-26; p=0.017).
    CONCLUSIONS: This pilot trial confirms previous studies suggesting that Neurohabilitation decreases the neurological and cognitive sequelae of preterm and at-term infants with PBD.
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  • 文章类型: Journal Article
    Given that the primordial ovarian follicular pool is established in utero, it may be influenced by parental characteristics and the intrauterine environment. Anti-Müllerian hormone (AMH) levels are increasingly recognized as a biomarker of ovarian reserve in females in adulthood and adolescence. We examined and compared associations of maternal and paternal prenatal exposures with AMH levels in adolescent (mean age, 15.4 years) female offspring (n = 1,399) using data from the Avon Longitudinal Study of Parents and Children, a United Kingdom birth cohort study that originated in 1991 and is still ongoing (data are from 1991-2008). The median AMH level was 3.67 ng/mL (interquartile range: 2.46-5.57). Paternal but not maternal smoking prior to and during pregnancy were inversely associated with AMH levels. No or irregular maternal menstrual cycles before pregnancy were associated with higher AMH levels in daughter during adolescence. High maternal gestational weight gain (top fifth versus the rest of the distribution) was associated with lower AMH levels in daughters. Parental age, body mass index, and alcohol intake during pregnancy, child\'s birth weight, and maternal parity and time to conception were not associated with daughters\' AMH levels. Our results suggest that some parental preconceptual characteristics and environmental exposures while the child is in utero may influence the long-term ovarian development and function in female offspring.
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