Comparison of maternal characteristics between pre-pregnancy underweight, normal weight, overweight and obese women.

<p>Comparison of maternal characteristics between pre-pregnancy underweight, normal weight, overweight and obese women.</p

Pregnancy outcomes for overweight women in reference to weight gain.

<p>Pregnancy outcomes for overweight women in reference to weight gain.</p

Pregnancy outcomes for normal weight women in reference to weight gain.

<p>Pregnancy outcomes for normal weight women in reference to weight gain.</p

Flow diagram of study inclusion.

<p>^aBMI, body mass index; ^bGWG, gestational weight gain.</p

Pregnancy outcomes for underweight women in reference to weight gain.

<p>Pregnancy outcomes for underweight women in reference to weight gain.</p

Pregnancy outcomes for obese women in reference to weight gain.

<p>Pregnancy outcomes for obese women in reference to weight gain.</p