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  • Title: Energy requirements of pregnancy in the Philippines.
    Author: Tuazon MA, van Raaij JM, Hautvast JG, Barba CV.
    Journal: Lancet; 1987 Nov 14; 2(8568):1129-31. PubMed ID: 2890028.
    Abstract:
    40 rural Philippine women were studied longitudinally from 11-16 wk pregnancy until 3 months post partum. Energy intake, body weight, fat mass, basal metabolic rate (BMR), and physical activity patterns were recorded every 6 wk. The cumulative energy cost of pregnancy over the second and third trimesters of pregnancy was 189 MJ (1130 kJ/day). There was no increase in energy intake, rather a very small reduction over the final two trimesters. Changes in physical activity provided part of the estimated energy needs (375-415 kJ/day throughout the second and third trimesters of pregnancy). These measurements leave an unexplained deficit of at least 700 kJ/day. Nevertheless, there was an adequate mean birthweight (2885 g) and a 10% incidence of low birthweight. The findings seem to suggest that pregnancy outcome can be successful despite marginal energy intake. 40 rural Philippine women were studied longitudinally from 11-16 weeks of pregnancy until 3 months postpartum. Energy intake, body weight, fat mass, basal metabolic rate (BMR), and physical activity patterns were recorded every 6 weeks. The cumulative energy cost of pregnancy over the 2nd and 3rd trimesters of pregnancy was 189 MJ (1130 KJ/day). There was no increase in energy intake, but rather a very small reduction over the final 2 trimesters. Changes in physical activity provided part of the estimated energy needs (375-415 KJ/day throughout the 2nd and 3rd trimesters of pregnancy. These measurements leave an unexplained deficit of at less 700 KJ/day. Nevertheless, there was an adequate mean birthweight (2885 g) and a 10% incidence of low birthweight. These findings suggest that pregnancy outcome can be successful despite marginal energy intake.
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