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- Title
Dietary fluoride intake over the course of pregnancy in Mexican women.
- Authors
Castiblanco-Rubio, Gina A; Muñoz-Rocha, Teresa V; Cantoral, Alejandra; Téllez-Rojo, Martha M; Ettinger, Adrienne S; Mercado-García, Adriana; Peterson, Karen E; Hu, Howard; Martínez-Mier, Esperanza A
- Abstract
<bold>Objective: </bold>To estimate dietary fluoride intake (F) over the course of pregnancy and the overall adjusted difference in dietary F intake by pregnancy stages and levels of compliance with dietary recommendations.<bold>Design: </bold>Secondary data analysis from a longitudinal pregnancy cohort study in a population exposed to fluoridated salt. Women were followed during the early, middle and late stages of their pregnancy (n 568). The dietary intake of recommended prenatal nutrients according to Mexican dietary guidelines and F intake (mg/d) was estimated with a validated FFQ. Data were summarised with descriptive statistics. Levels of F intake were compared with the USA's Institute of Medicine adequate intake (AI) of 3 mg/d for pregnancy. Adjusted differences in F intake by pregnancy stages and levels of compliance with recommendations were estimated using random effects models.<bold>Setting: </bold>Mexico City.<bold>Participants: </bold>Women participating in the Early Life Exposures in Mexico to ENvironmental Toxicants (ELEMENT) project, from 2001 to 2003.<bold>Results: </bold>Median dietary F intake throughout pregnancy ranged from 0·64 (interquartile range (IQR) 0·38) in the early to 0·70 (IQR 0·42) in the middle, and 0·72 (IQR 0·44) mg/d in the late stage (0·01 mg F/kg per d). Corresponding adjusted intakes of F were 0·72 (95 % CI 0·70, 0·74), 0·76 (95 % CI 0·74, 0·77) and 0·80 (95 % CI 0·78, 0·82) mg/d. Women who were moderately and highly compliant with Mexican dietary recommendations ingested, on average, 0·04 and 0·14 mg F/d more than non-compliant women (P < 0·005).<bold>Conclusions: </bold>Dietary F intake was below current AI, was greater with the progression of pregnancy and in women who were moderately and highly compliant with dietary recommendations.
- Subjects
MEXICO City (Mexico); FOOD consumption; NATIONAL Academy of Medicine (U.S.); MEXICANS; RANDOM effects model; PREGNANCY; SECONDARY analysis; OVULATION
- Publication
Public Health Nutrition, 2021, Vol 24, Issue 9, p2388
- ISSN
1368-9800
- Publication type
Academic Journal
- DOI
10.1017/S1368980021000781