Prepregnancy BMI, Pregnancy Weight Gain Linked With Higher Birth Weight

The conclusion? The fat should not reproduce.

"[P]repregnant BMI alone is an important predictor of birthweight. Furthermore, weight gain during pregnancy has an effect on offspring birthweight independent of prepregnancy BMI. An obvious goal should be to [encourage] overweight and obese women to attain healthy weight before conception and keep a moderate weight gain during pregnancy," the authors conclude.

What we have been calling for all along.