“Statistically … folic acid supplementation more than 6 months before conception compared with 3–6 months before conception (34.6 ± 6.3% vs. … no folic acid used before conception (16.2 ± 4.4% vs. 13.9 ± 3%, P = 0.036 for LEP CpG3 and 24.5 ± … for LEP mean CpG).”