What is the rate of pregnancy weight gain for the 1st, 2nd, and 3rd trimesters for a woman whose pre-pregnancy weight is underweight, normal, overweight, or obese?
a) Underweight: 1.0-1.3, 0.8-1.0, 0.5-0.7; Normal: 0.8-1.0, 0.5-0.7, 0.2-0.5; Overweight: 0.5-0.7, 0.2-0.5, 0.2-0.3; Obese: 0.2-0.5, 0.2-0.3, 0.1-0.2
b) Underweight: 0.8-1.0, 0.5-0.7, 0.2-0.5; Normal: 1.0-1.3, 0.8-1.0, 0.5-0.7; Overweight: 0.2-0.5, 0.2-0.3, 0.1-0.2; Obese: 0.5-0.7, 0.2-0.5, 0.2-0.3
c) Underweight: 0.5-0.7, 0.2-0.5, 0.2-0.3; Normal: 0.8-1.0, 0.5-0.7, 0.2-0.5; Overweight: 0.2-0.5, 0.2-0.3, 0.1-0.2; Obese: 1.0-1.3, 0.8-1.0, 0.5-0.7
d) Underweight: 0.2-0.5, 0.2-0.3, 0.1-0.2; Normal: 0.5-0.7, 0.2-0.5, 0.2-0.3; Overweight: 1.0-1.3, 0.8-1.0, 0.5-0.7; Obese: 0.8-1.0, 0.5-0.7, 0.2-0.5