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Objective To determine the risk factors associated with having a very low birth weight ( VLBW) infant as a follow-up to the first phase of a Perinatal Periods of Risk approach. Design and Sample Retrospective cohort analysis of birth certificates. Population-based sample of 53,427 birth certificates for the city under study during the years 1999-2006. Measures The relationship of selected maternal characteristics as predictors of VLBW using multivariate logistic regression analysis. Results The maternal characteristics associated with VLBW were as follows: no prenatal care (OR = 4.04), inadequate weight gain (OR = 3.97), Black, non-Hispanic race (OR = 1.50), less than 20 years old (OR = 1.42) and more than 35 years old (OR = 1.43). After analyzing age and race/ethnicity together, Black non-Hispanic women less than 20 years of age (OR = 2.70) or over 35 years of age (OR = 2.45) still had an increased odds for having a VLBW infant whereas Black non-Hispanic women between the ages of 20 and 35 did not. Conclusions The findings of this study suggest educating women on the importance of preconception care, prenatal care, and adequate pregnancy weight gain to reduce the odds of having a VLBW infant. [ABSTRACT FROM AUTHOR]

Background For safety reasons an in-hospital birth center was replaced by a modified form of birth center care with the same medical guidelines and equipment as in standard care. The aim of this study was to investigate women's and men's satisfaction with modified care compared with standard care. Methods Women in both groups gave birth from July 2007 to July 2008. The same medical low-risk criteria during pregnancy applied to both groups. Of those invited to the study, 547 (82.7%) women in modified birth center care and 445 (66.7%) men returned a questionnaire posted 2 months after the birth, and 786 (71.6%) women and 639 (58.2%) men in standard care. Odds ratios ( ORs) for being satisfied were calculated with 95 percent confidence intervals ( CIs) and adjusted for possible confounders. We also explored the effects of different components of care on overall satisfaction. Results Adjusted ORs for being satisfied overall were approximately doubled in the modified birth center group compared with the standard care group: antenatal care- OR: 2.1 (95% CI: 1.6-2.7) in women and OR: 2.2 (95% CI: 1.5-2.8) in men; intrapartum care- OR: 2.2 (95% CI: 1.7-2.9) in women and OR: 1.7 (95% CI: 1.3-2.4) in men; and postpartum care- OR: 1.7 in women (95% CI: 1.4-2.2) and OR: 2.1 (95% CI: 1.6-2.8) in men. Important explanations of these differences included perception of the midwife as being more supportive, the presence of a calmer environment and atmosphere (intrapartum), and the option for fathers to stay overnight (postpartum). Conclusion In-hospital birth center with medical equipment on site increased overall satisfaction with all episodes of care compared with standard care. ( BIRTH 39:2 June 2012) [ABSTRACT FROM AUTHOR]