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  • 1
    ISSN: 1471-0528
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Objective To test whether being small for gestational age, defined as having a birthweight less than the 10th centile of intrauterine growth references, is a risk factor for preterm delivery for singleton live births.Design A case-control study.Setting Maternity hospitals in 16 European countries.Sample Four thousand and seven hundred preterm infants between 22 and 36 completed weeks of gestation and 6460 control infants between 37 and 40 weeks of gestation.Methods Newborn babies are identified as being small for gestational age using customised reference standards derived from models of fetal growth. The impact of being small for gestational age on preterm delivery is estimated using logistic regression.Main outcome measure Spontaneous or induced preterm delivery.Results Being small for gestational age is significantly associated with preterm birth, although the magnitude of this association differs greatly by type of delivery and gestational age. Over 40% of induced preterm births for reasons other than the premature rupture of membranes are small for gestational age compared with 10.7% of control infants (OR 6.41). For spontaneous or premature rupture of membranes related preterm births, the association is also significant, but weaker (OR 1.51). The relationship between growth restriction and preterm delivery is strongest for preterm births before 34 weeks of gestation.Conclusions These findings highlight the phenomenon of abnormal fetal growth in all premature infants and, in particular, infants delivered by medical decision for reasons other than premature rupture of membranes. The observed association between being small for gestational age and preterm delivery among spontaneous preterm births merits further attention because the causal mechanisms are not well understood.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Amsterdam : Elsevier
    Social Science & Medicine 35 (1992), S. 1485-1495 
    ISSN: 0277-9536
    Schlagwort(e): Italy and France ; Protective Maternity Legislation ; pregnant workers ; social inequalities
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Medizin
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Springer
    International archives of occupational and environmental health 66 (1994), S. 235-241 
    ISSN: 1432-1246
    Schlagwort(e): Work in operating rooms ; Anaesthetics ; Spontaneous abortion ; Birth defects ; Nurses
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract The aim of this study was to analyse the relationship between work in an operating room and pregnancy outcome, as described by the rates of spontaneous abortion and of birth defects. The population comprised the female nurses of 17 hospitals in Paris, interviewed in 1987–1989. An exposed group included all operating room nurses, and a control group was composed of female nurses in other departments matched by hospital, age and duration of service. Each woman described all prior pregnancies. In total, 776 pregnancies were described by 418 nurses who were first pregnant in 1970 or thereafter; ectopic pregnancies, those terminated by voluntary induced abortion and those leading to multiple births were excluded. The rate of spontaneous abortion was significantly higher for pregnancies during which women worked in an operating room than for the other pregnancies. Birth defects were not significantly related to work in an operating room during pregnancy. These results are in agreement with others showing a significant relationship between occupational exposure to operating rooms and spontaneous abortion, although identification of the responsible factor remains difficult. They suggest that effective ventilating systems should be installed in all operating rooms and that special preventive measures must be taken for women of childbearing age.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    ISSN: 1573-7284
    Schlagwort(e): Blood pressure ; Epidemiology ; Food industry ; Working conditions
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract The aim of the present study is to examine the relationship between the working conditions of employees in the food industry and blood pressure. An epidemiological survey was conducted between 1987 and 1988 in 17 poultry slaughterhouses and 6 canneries in the French regions of ‘Bretagne’ and ‘Pays de Loire’. One thousand, four hundred and seventy-four workers were included in the study. Data was collected in the course of the medical visit organized annually for employees. Mean diastolic (DBP) and systolic blood pressure (SBP) were analyzed separately for male and female workers. The results indicate a significant relationship between blood pressure, and age and obesity. Amongst the various features of working condition studies, loud noise and the number of work breaks were found to be associated with heightened mean values of DBP or SBP in men only. Type and size of the factory was found to be associated with blood pressure readings for both sexes. A number of working conditions giving rise to heightened mental strain were found to be related to a lowering in mean blood pressure: for example, irregular work finishing times for men and production-line work for women. A discussion of these results reveals the complexity of the relationships which exist between physical and environmental factors in this type of setting and blood pressure of employees.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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