Patent ID: 7195600

Claim:
A maternity biodata measurement system for measuring biodata of a pregnant woman who is a subject, comprising: pre-pregnancy energy-expenditure determination means for determining an energy expenditure of the subject in a pre-pregnancy state; pregnancy extra-energy-amount determination means for determining a suitable extra energy expenditure to be added to said pre-pregnancy energy expenditure due to pregnancy; and pregnancy necessary-energy-amount determination means for determining a sum of said pre-pregnancy energy expenditure and said pregnancy extra energy amount, as an energy amount necessary for the subject in a pregnancy period, wherein said pregnancy extra-energy-amount determination means includes: pre-pregnancy body-mass-index data acquisition means for acquiring data about body-mass index of the subject in the pre-pregnancy state; elapsed-pregnancy-period data acquisition means for acquiring data about elapsed period from the pregnancy of the subject; and pregnancy extra-energy-amount estimation means for estimating said pregnancy extra energy amount based on said pre-pregnancy body-mass index data and said elapsed pregnancy-period data.