نتایج جستجو برای: gestation age
تعداد نتایج: 776854 فیلتر نتایج به سال:
distribution of gestational age and 64 percent to decreases in gestational age-specific mortality (Table). Patterns were not explained by births and deaths missing gestational age data. CONCLUSION: Both improvement in the preterm birth rates and survival at preterm gestation resulted in the recent declines in the US infant mortality rate. Possible explanations include improvements in antenatal ...
OBJECTIVES This report presents 2004 fetal and perinatal mortality data by a variety of characteristics, including maternal age, marital status, race, Hispanic origin and state of residence; and by infant birthweight, gestational age, plurality and sex. Trends in fetal and perinatal mortality are also examined. METHODS Descriptive tabulations of data are presented and interpreted. RESULTS I...
Early gestation dexamethasone programs enhanced postnatal ovine coronary artery vascular reactivity.
Excessive exposure of the fetus to maternally derived corticosteroids has been linked to the development of adult-onset diseases. To determine if early gestation corticosteroid exposure alters subsequent coronary artery reactivity, we administered dexamethasone (0.28 mg.kg(-1).day(-1)) to pregnant ewes at 27-28 days gestation (term being 145 days). Vascular responsiveness was assessed in endoth...
The purpose of this investigation was to examine longitudinally gestational age and developmental differences in preterm infants' self-regulatory abilities in response to a painful stressor, as well as associations between behavioral and cardiovascular responses. Participants included 49 healthy premature infants. Behavioral and cardiovascular responses to a heel stick blood draw were compared ...
BACKGROUND Nuchal translucency (NT) is the fluid collection behind the fetal neck which can be measured by ultrasound at 11-14 weeks of gestation. Increase in the nuchal translucency thickness is associated with various congenital anomalies. OBJECTIVE To study the relationship between nuchal translucency thickness, crown rump length and gestational age in normal fetus. METHODS Prospective a...
OBJECTIVE To investigate the risk of emergency respiratory hospital admission during childhood associated with gestational age at birth and growth restriction in utero. METHODS The study included a total population electronic birth cohort with anonymized record-linkage of multiple health and administrative data sets. Participants were 318,613 children born in Wales, United Kingdom, between Ma...
BACKGROUND Ultrasound assessment of amniotic fluid has important implication in obstetrics care and it has become an integral and important component of pregnancy assessment. Changes in amniotic fluid volume are associated with adverse outcome. Excess volume is associated with foetal anomalies and aneuploidy and less volume is associated with Intra Uterine Growth Retardation, renal anomalies in...
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