Objectives To document the accuracy and precision of sonographic fetal biometry performed by nine paramedics from rural Bangladesh.
Methods Paramedics underwent intensive training (6 weeks) including hands-on
Little is known about the long-term effects of DHA intake during pregnancy. Offspring of primagravid Mexican women who received 400 mg/d DHA from wk 20 of gestation through delivery were heavier and had larger head circumferences at birth than children whose mothers received placebo; no effect was observed in offspring of multigravidae. We have followed these children (n = 739; 76% of the birth cohort), measuring length, weight, and head circumference at 1, 3, 6, 9, 12, and 18 mo. At 18 mo, intent-to-treat differences between placebo and DHA, adjusted for maternal height and child sex and age at measurement, were: length, -0.21 cm (95% CI = -0.58, 0.15); weight, -0.03 kg (95% CI =-0.19, 0.13); and head circumference, 0.02 cm (95% CI = -0.18, 0.21) (all P > 0.05). There was heterogeneity of associations by maternal gravidity for weight (P < 0.08), length (P < 0.02), and head circumference (P < 0.05). Among offspring of primagravid women, length at 18 mo was increased by 0.72 cm (95% CI = 0.11, 1.33) following DHA supplementation, representing 0.26 length-for-age Z-score units; among offspring of multigravidae, the estimate was -0.13 cm (95% CI = -0.59, 0.32) (P > 0.5). Maternal DHA supplementation during the second half of gestation may enhance growth through 18 mo of children born to primagravid women.
Six months of zinc supplementation did not induce differences in mental health outcomes between zinc and placebo groups. However, increases in serum zinc concentrations were associated with decreases in internalizing symptoms (ie, depression and anxiety) in a community-based sample of children at risk of zinc deficiency. This trial was registered at clinicaltrials.gov as NCT00283660.
Fetal growth faltering begins in early gestation among infants who were born small. The lack of deviation from reference data for FL and AC requires further clarification.
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