| 摘要 |
Disclosed is an improved weighing scale for determining a most appropriate antenatal weight of a pregnant woman for each number of the weeks since conception on the basis of the "antenatal weight-to-week" relationship identified in terms of the BMI of the pregnant woman, which index is determined from the height and progestational weight of the pregnant woman, and for making a comparison between the so determined most appropriate antenatal weight and the weight of the pregnant woman measured each week.
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