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Cadernos de Saúde Pública

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Abstract

LUNET, Nuno; RODRIGUES, Teresa; CORREIA, Sofia  and  BARROS, Henrique. Adequacy of prenatal care as a major determinant of folic acid, iron, and vitamin intake during pregnancy. Cad. Saúde Pública [online]. 2008, vol.24, n.5, pp. 1151-1157. ISSN 0102-311X.  http://dx.doi.org/10.1590/S0102-311X2008000500022.

This study aimed to quantify the association between adequacy of prenatal care and prevalence of folic acid, iron, and multivitamin intake during pregnancy. Data were obtained on socio-demographics, prenatal care, pregnancy complications, and use of vitamin/mineral supplements for 836 women, using a postpartum interview. Associations with the use of vitamin/mineral supplements were quantified with risk ratios (RR), computed by generalized binomial regression. A high proportion of women reported the use of folic acid (81.9%), iron (55.4%), and multivitamins (76.2%) as supplements during pregnancy. Use of supplements was independently associated with adequacy of prenatal care (adequate vs. inadequate: folic acid, RR = 2.28; 95%CI: 1.58-3.29; iron, RR = 1.99; 95%CI: 1.57-2.52, multivitamins, RR = 1.97; 95%CI: 1.54-2.51). Higher schooling was also associated with increased use of folic acid (RR = 1.42; 95%CI: 1.18-1.70), but not multivitamins (RR = 0.87; 95%CI: 0.77-0.98). Use of folic acid was less prevalent in single women (RR = 0.67; 95%CI: 0.48-0.95) and during unplanned pregnancies (RR = 0.81; 95%CI: 0.71-0.92). Adequacy of prenatal care is a major determinant of vitamin/mineral intake during pregnancy.

Keywords : Folic Acid; Iron; Vitamins; Prenatal Care; Pregnancy.

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