J Natl Med Assoc
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Comparative Study
The relationship between maternal hematocrit and pregnancy outcome: black-white differences.
Racial differences in hematocrit levels and the relationship between low and high hematocrit, intrauterine growth retardation, and preterm delivery were studied in a population of 17,149 low-income, iron- and folate-supplemented pregnant women. Hematocrit levels drawn during four gestational periods were considered. ⋯ Our major finding was that at 31 to 34 weeks, hematocrits > or = 40% were associated with significantly higher odds ratios for intrauterine growth retardation for both blacks and whites. These findings should prompt more attention to women who have high hematocrits in pregnancy while reducing concern for women of either race with low hematocrits.
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Considerable disparities in cardiovascular and stroke mortality and morbidity rates exist between African Americans and other Americans. Increased prevalence and severity of hypertension, with earlier onset and often inadequate therapy, seem to be the major culprits responsible for the differences. ⋯ The American Heart Association and the National Medical Association have these and many other goals in common. Concerted action by all concerned organizations is essential.