A, Diagram showing experimental design, with offspring from HFD or LFD dams continuing on the same diet from weaning to 7 weeks of age and then switched to one of three diets until the end of the study. B, Body fat in LFD (filled circles) and HFD (open triangles) dams at diet start, after 4 weeks on diet just before breeding, and at offspring weaning. *, P ≤ .05; **, P ≤ .01.