Are early first trimester weights valid proxies for preconception weight?

@inproceedings{Krukowski2016AreEF,
  title={Are early first trimester weights valid proxies for preconception weight?},
  author={Rebecca Anne Krukowski and Delia Smith West and Marisha DiCarlo and Kartik Shankar and M A Cleves and Marie E. Saylors and A Andres},
  booktitle={BMC pregnancy and childbirth},
  year={2016}
}
BACKGROUND An accurate estimate of preconception weight is necessary for providing a gestational weight gain range based on the Institute of Medicine's guidelines; however, an accurate and proximal preconception weight is not available for most women. We examined the validity of first trimester weights for estimating preconception body mass index category. METHODS Under identical measurement conditions, preconception weight and two first trimester weights (i.e., 4-10 and 12 weeks gestation… CONTINUE READING

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There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
We examined the validity of first trimester weights for estimating preconception body mass index category .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
There was a significant difference in mean weight gain by body mass index category at 4 - 10 weeks ( -0.09 ± 1.86 kg for normal weight participants vs. 1.61 + 1.76 kg for overweight / obese participants , p = 0.01 ) , but not at 12 weeks ( 0.53 ± 2.29 kg for normal weight participants vs. 1.54 ± 2.58 kg for overweight / obese participants ) .
We examined the validity of first trimester weights for estimating preconception body mass index category .
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