| http://www.w3.org/ns/prov#value | - Few studies reported stillbirth incidence, and those that did, reported only non-significant reductions in SBR [87] (Additional file 8).Conclusion Evidence of the protective effect of peri-conceptual folic acid supplementation on NTDs (Grade A evidence) suggests that peri-conceptional and antenatal folic acid supplementation offered to all pregnant women, particularly women with a prior affected p
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