NPY and hydrops fetalis: HF mice had the lowest NPY mRNA expression (SNK; P<.001, P=.014 and P=.013 vs CON, 2h‐HF‐1st and 2h‐HF‐2nd) and both schedule‐fed groups had intermediate NPY mRNA expression (SNK; P=.032 and P=.034 vs CON) (Figure 3B).