摘要: Social class differences in fetal and infant mortality rates Britain since 1951 are explored. In Scotland stillbirth neonatal postneonatal death have fallen all 5 recorded social classes from 1951-1962 but no tendency was observed for the to converge. When England Wales examined together there is evidence of a decrease differences. Sociological studies showed wives working-class men made their first antenatal clinic visit at later stage pregnancy then upper-class women fewer visits less frequently had babies hospital or general practitioner unit. Working-class tended larger families lived more crowded conditions worked into were apt conceived premaritally. Taller stillbirths than medium height who short women. This association between maternal stature perinatal holds true even when socioeconomic group parity controlled indicating effect growth patterns on outcome pregnancy. divided based fathers occupation same relationship true. addition with siblings higher mortality. Continuing can be explained by "time lag" theory expression improvements improved health processes selection mobility.