The Vanderbilt cooperative study of maternal and infant nutrition. IV. Dietary, laboratory and physical findings in 2,129 delivered pregnancies
Darby, W.J.; McGANITY, W.J.; Martin, M.P.; Bridgfort, E.; Densen, P.M.; Kaser, M.M.; Ogle, P.J.; Newbill, J.A.; Stockell, A.; Ferguson, M.E.; Touster, O.; McCLELLAN, G.S.; Williams, C.; Cannon, R.O.
Journal of Nutrition 51(4): 565-597
1953
ISSN/ISBN: 0022-3166 PMID: 13118401 Document Number: 508597
Mean energy and nutrient intakes are tabulated for each trimester. For energy the amounts were 2140, 2200 and 2020 Cal., 14 per cent. of which were derived from protein. Approximately 65 per cent. of the protein was of animal origin. Average Ca intake was about 1.4 g. daily. Although intakes of nutrients tended to be below accepted standards, the shortages did not cause concern. Woman who entered the study in a trimester later than the first recorded intakes of nutrients higher than those of women at the same stage of pregnancy who entered at an earlier trimester. It was not possible to decide whether these differences were due to appetite or whether they were the result of advice on weight restriction given by the physicians. Data are given for seasonal variations in energy intake and for the amounts of certain foods consumed in the third trimester. Other tables and diagrams summarise the laboratory findings. Women attending for the first time in the second and third trimesters had values generally higher than those attending earlier; the depressed haematological values may have produced an "ill-defined sense of less-than-buoyant health " in those who attended earlier. No clinically recognisable deficiency disease was seen, and in respect of subclinical signs there were variations from one examiner to another. The mean height of the patients was 64.0 in. and the mean weights were 122, 127, 139 and 126 lb. in the three trimesters and post partum, respectively. A. M. Thomson.