results show that : ( 1 ) the mean caloric intake is constant during the first trimester and then significantly decreases in the last two trimesters ( 2 ) the fatter the woman before pregnancy , the lower the caloric intake at the successive examinations ( 3 ) the total weight gain is positively related to the caloric intake during the first trimester , but not related to the dietary data observed at the 6th , 8th or 9th examinations ( 4 ) birth weight seems to be more related to body size before pregnancy than to weight gain .
C0032961
woman
C0032979
first trimester