Changes in prepregnancy body mass index between the first and second pregnancies and risk of large-for-gestational-age birth

Changes in prepregnancy body mass index between the first and second pregnancies and risk of large-for-gestational-age birth

搜集汇总

背景与挑战

背景概述

该数据集聚焦于研究女性在首次与第二次妊娠期间孕前体重指数的变化情况，并分析这种变化与婴儿出生时为大于胎龄儿的风险关联。