Diet in pregnancy

Am, Thomson

doi:10.1079/bjn19590065

Cited by 81 publications

(5 citation statements)

References 42 publications

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“…Estimated caloric intake has been found t o correlate with maternal weight during pregnancy in a study in Aberdeen, Scotland (32). The relation was demonstrated in the course of an attempt to establish the connection between nutrition and birth weight.…”

Section: Duration O F Gestationmentioning

confidence: 95%

The Dutch Famine, 1944–1945, and the Reproductive Process. I. Effects on Six Indices at Birth

Stein

Susser

1975

Pediatr Res

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Prenatal exposure to the Dutch famine of 1944-1945 reduced postpartum maternal weight, birth weight, placental weight, length at birth, and head circumference at birth. These conclusions are based on maternities occurring in the famine area and exposed to famine during some part of gestation as compared both with maternities in nonfamine areas, and with maternities before and after the famine. Third trimester exposure accounted for the whole of the famine effects. Length of gestation was not affected by third trimester exposure, and did not mediate the effects on infant exposure, and did not mediate the effects on infant dimensions at birth. Effects were apparent only below a threshold value of official food rations of 1,500 cal daily average during the third trimester. (Calorie value for official food rations can be assumed to be lower than actual food intake.) Maternal weight declined 4.3% during the famine and rose 10.5% after the famine. Birth weight declined 9% during the famine, and rose 9% after the famine. Placental weight declined 15% during the famine, and rose 14% after the famine. Length at birth declined 2.5% during the famine, and rose 1.5% after the famine. Head circumference declined 2.7% during the famine, and rose 2.4% afterward.

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Section: Duration O F Gestationmentioning

confidence: 95%

The Dutch Famine, 1944–1945, and the Reproductive Process. I. Effects on Six Indices at Birth

Stein

Susser

1975

Pediatr Res

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“…In this manner, there arises an association between high social status, good diets and tallness. Table 2 shows that the tall women did in fact take 'better' diets than the short women; but it is not implied that the diets of the short women were deficient (Thomson, 1959~).…”

Section: Height Weight and Dietmentioning

confidence: 99%

Height, weight and food intake in man

1961

Br J Nutr

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Certain correlations between food intake and social status, height, weight and gain of weight during pregnancy were referred to in a previous series of papers (Thomson, 1958(Thomson, ,1959a. In this paper, the same data, derived from a study of pregnant women, are used to investigate further the relationships of height and weight to diet.The most interesting conclusion is that, contrary to popular belief and the implication of physiological teaching (e.g. F.A.O. : Second Committee on Calorie Requirements, 1957), heavy people do not as a rule eat much more than light people. A review of the literature suggests that this conclusion is valid also for men and for non-pregnant women. M E T H O D SThe dietary data used here were obtained from 489 primigravidae by means of a I -week weighing-inventory survey (Widdowson, 1936). The technique used has been fully discussed and, so far as possible, validated (Thomson, 1958); any record considered by the dietitian concerned to be incomplete or unreliable was rejected. The diets were self-chosen, and no attempt was made by the obstetricians concerned to regulate the amount of weight which the subjects were gaining.All subjects were weighed at the time of the dietary survey (about the 7th month of pregnancy) and most were weighed at intervals throughout pregnancy. Weights at conception could not be assessed reliably, and for 412 out of the 489 subjects 'initial weight' has been taken as weight at the 20th week of pregnancy, by which time all of them had been measured. All weighings were on calibrated lever balances reading to 2 oz (57 g) and subjects wore only underclothes during weighing. Shoes were removed during the measurement of standing height, which was recorded to the nearest 0.25 in.(0.6 cm). Since only 10.6 yo of the 489 subjects were aged 20 years or less, incomplete growth need not be considered when interpreting the height data.Weight-for-height. The significance of a given body-weight ( W ) varies with height ( H ) . T o express weight-for-height, a mathematical index, such as H / J W , is frequently used. Examination of the properties of several such indices showed that none of them discriminates uniformly over the whole range of heights ; that is, the proportion of ' overweight ' and ' underweight' individuals depends on height as well as on the value of the index. Some calculations based on the index H / J W , given on p. 251, show that it can yield misleading results. To overcome the difficulties, we have used a procedure devised during a previous study of weight gains during pregnancy (Thomson i&

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“…A marketing research organization has recently described some of the regional as well as social-class differences in the general pattern of food consumption and meal habits (Warren, 1958). T h e kind of differences existing between the social classes may be illustrated from the records of a dietary survey of primigravidae made in Aberdeen during 1950-3 (Thomson, 1958).…”

Section: Background Variations In Food Habitsmentioning

confidence: 99%

“…Thomson (1959) has pointed out that, in reasonably well-fed communities, the clinical importance of diet in pregnancy is difficult to demonstrate. That is to say, the work of the dietitian may have little or no obvious influence upon the incidence of abnormalities such as stillbirth, premature birth, and even pre-eclampsia.…”

Section: Changes Promoted By Dietary Educationmentioning

confidence: 99%

Food habits in pregnancy

Taggart

1961

Proc. Nutr. Soc.

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Diet in pregnancy

Cited by 81 publications

References 42 publications

The Dutch Famine, 1944–1945, and the Reproductive Process. I. Effects on Six Indices at Birth

The Dutch Famine, 1944–1945, and the Reproductive Process. I. Effects on Six Indices at Birth

Height, weight and food intake in man

Food habits in pregnancy

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