INS and hydrops fetalis: Insulin sensitivity, assessed using Matsuda ISI, did not change following HFEE (HF‐C: 3.96 ± 1.85 to 3.59 ± 1.50, p = .480; HF‐FO: 3.81 ± 1.16 to 3.94 ± 1.09, p = .720) and was not different between groups.