Weight Gain and Pregnancy Outcomes in Underweight Women with Twin Gestations

By on July 9, 2019

We have previously shown the critical importance of adequate pregnancy weight gain for women with twin pregnancies (https://www.mfmnyc.com/blog/mfm-publications/weight-gain-in-twin-pregnancies-and-adverse-outcomes/) and (https://www.mfmnyc.com/blog/mfm-publications/the-association-between-maternal-weight-gain-and-spontaneous-preterm-birth-in-twin-pregnancies/). However, most data has been for women who enter pregnancy with a normal weight, as defined by the pre-pregnancy body mass index (BMI). In this study, we found that women who enter pregnancy underweight should be recommended the same weight gain as women with normal pre-pregnancy weight.

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