The Capula’s index was defined as: Constant − 2.2532 * (Age/10) + 0.4128 * (Age/10)2 + 0.0795 * pregravidic BMI (Online Appendix), where Constant is an intercept value,depending from the presence of previous GDM, PCOS, and FPG between 100 and 125mg/dl (5.6–6.9mmol/L) before pregnancy (for an explanation of how the index is calculated, see the