Retrospective Longitudinal Study of Gestational Weight Gain Among Chinese Pregnant Women

Retrospective Longitudinal Study of Gestational Weight Gain Among Chinese Pregnant Women

The purpose of this study is to investigate the reference ranges and rates of gestational weight gain among Chinese pregnant women, and to analyze the correlation between gestational weight gain and adverse outcomes.

Inclusion Criteria:

1. Deliveries between January 2013 and December 2014;
2. Gestational age between 37 weeks or older and less than 42 weeks;
3. Registration with care documents at the first prenatal visit prior to the 15th gestational week;
4. Had at least five follow-up visits until delivery.

Exclusion Criteria: None