The Vanderbilt cooperative study of maternal and infant nutrition. IV. Dietary, laboratory and physical findings in 2,129 delivered pregnancies.

摘要: The nutritional characteristics revealed by records of dietary intake laboratory assessments and physical examinations with respect to the altered physiology pregnancy are described for an unselected group 2129 pregnant white women attending Vanderbilt prenatal clinic. Each patient was requested keep 1 week during each trimester pregnancy. data were examined trends. Calorie consumption decreased between second third in Women clinic had a caloric 200 calories lower than at same point gestation who entered later date. Seasonal trends examined. continuous schedule acceptance patients into study effective minimizing seasonal effect on various groups. Long-term significant magnitude absent. food which supplied nutrients indicated. 73% subjects without supplements. Laboratory measurements made following: 1) hematologic serum protein values 2) fat-soluble vitamins or plasma 3) ascorbic acid levels 4) urinary excretion B following load tests. Analysis difference average some depending upon when woman first visited This is seen hemoglobin packed cell volume erythrocyte count carotene total globulin. apparent thiamine riboflavin N-methylnicotinamide concentration albumin serum. gradual upward trend median value from early part seem be intrinsic within persons studied. expected decrease occured postpartum hemotologic returned somewhat higher observed 5th 9th wheras barely regianed its maximum concentration. Serum showed followed further decline postpartum. In present series mean vitamin-A then rose. nonpregnant nonlactating adjacent county. There increase Nmethylnicotinamide. commonest disease found obesity. However examiner differences responsible many noted examination patients. Instances clinically recognizable deficiency