Observations on the curative effect of lactulose for postpartum constipation based on a large sample study.

Unlabelled: To evaluate the efficacy and safety of lactulose in the intervention treatment of postpartum women with constipation.

Methods: The study adopted the multicenter clinical survey with a big sample which enrolled 4781 valid questionnaires from postpartum women in 18 different districts. All of them were treated with lactulose oral solution.