PubMed · 12304981
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1967. Vas blockage.. https://pubmed.ncbi.nlm.nih.gov/12304981/
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BACKGROUND: Despite great strides in improving prenatal care utilization among American women, key perinatal indicators have remained stagnant or worsened in the past decade, and the United States continues to rank near the bottom compared to other developed countries. A new approach is needed if we are to achieve improvements in perinatal health. METHODS: To propose a new framework that integrates a "life span" approach with a multiple determinants model. RESULTS: We recognize that (1) powerful influences on outcome occur long before pregnancy begins; (2) pregnancy outcome is shaped by social, psychological, behavioral, environmental, and biological forces; and (3) the demography of pregnancy has changed dramatically in the last few decades with more women delaying their first birth. Approaches that simultaneously consider the entire life span as well as multiple determinants may need to be adopted. We propose a framework that integrates these approaches and is supported by the research literature. The life span perspective focuses attention toward the preconceptional and interconceptional periods as targets for intervention in improving perinatal health. The multiple determinants model distinguishes among concepts of disease, health and functioning, and well-being for both women and their offspring. CONCLUSIONS: Our intent is to influence how policymakers, public health professionals, clinicians, and researchers approach perinatal health.
This study validated a measure of pregnancy planning effort based on Miller's conceptual framework in two clinical settings. The questionnaire's main items deal with general behaviour with regard to pregnancy, timing and proception (proception being the reverse of contraception). Values for these three items are added to yield a continuous score ranging from 0 to 12. The study population comprised 448 women of different cultural backgrounds recruited in prenatal, fertility and family planning clinics in Quebec and North Carolina. The results indicate that the internal consistency between the three items pertaining to pregnancy planning was excellent (Cronbach's alpha of 0.83). Test-retest reliability after a 4-week interval was excellent, with an intraclass correlation coefficient of 0.86 for the planning score. The planning score median for women attending family planning clinics (1.00) was significantly lower than that for those recruited in fertility clinics (11.00), confirming the discriminant ability of the instrument. Path analysis shows that the conceptual model corroborates the observed data and explains 53% of the pregnancy planning variability. In conclusion, this is the first questionnaire specifically designed to assess the intensity of pregnancy planning effort, a potentially important variable in epidemiological studies and clinical practice.
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