نتایج جستجو برای: water birth
تعداد نتایج: 670822 فیلتر نتایج به سال:
OBJECTIVE This work aimed to analyze the association between maternal position at birth in spontaneous deliveries and the occurrence of anal sphincter tears (AST) given the lack of evidence related to the least traumatic birth position. STUDY DESIGN A total of 7832 vaginal deliveries were included. Vaginal-operative deliveries and deliveries with fundal pressure were excluded. Birth positions...
The microcephaly epidemic in Brazil generated intense debate regarding its causality, and one hypothesised cause of this epidemic, now recognised as congenital Zika virus syndrome, was the treatment of drinking water tanks with pyriproxyfen to control Aedes aegypti larvae. We present the results of a geographical analysis of the association between the prevalence of microcephaly confirmed by Fe...
I Drillien, C M, Developmental Medicine and Child Neurology, 1972, 14, 563. 2 Davies, P A, and Tizard, J P M, Developmental Medicine and Child Neurology, 1975, 17, 3. 3 Stewart, A L, et al, Archives of Disease in Childhood, 1977, 52, 97. 4Committee on Child Health Services, Fit for the Fuiture. London, HMSO, 1976. (Court Report.) 5 Chamberlain, R, et al, British Births 1970, vol 1. London, Hein...
abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...
OBJECTIVES To investigate if live births conceived in months when surface water agrichemicals are highest are at greater risk for birth defects. METHODS Monthly concentrations during 1996-2002 of nitrates, atrazine and other pesticides were calculated using United States Geological Survey's National Water Quality Assessment data. Monthly United States birth defect rates were calculated for li...
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