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Biomedical subjects

S G Inbaraj

Publications and source records attributed to S G Inbaraj.

16 recordsLinked to original sources
PubMed1984

Blood pressure measures among women in south India.

Blood pressures were measured using standard techniques on a random sample of 961 rural and 1073 urban women chosen from North Arcot District in Tamilnadu State of south India. The mean (SD) systolic blood pressures (mm Hg) were 101.4 (10.5) in the rural women and 105.3 (14.1) in the urban. The mean (SD) diastolic blood pressures were 65.9 (9.9) in the rural women and 68.0 (10.8) in the urban. For both systolic and diastolic blood pressures, the urban values were significantly higher than those in the rural. The correlations of blood pressures with selected socioeconomic, obstetric, and maternal factors were examined. For the rural women, blood pressures showed significant associations only with parity and weight. In the urban women significant associations were also noted for age and income. The implications of these findings are briefly discussed.

Adolescent↗
PubMed1983

Twinning rates in Tamilnadu.

A prospective study of human reproduction was conducted in Tamilnadu State, South India, from 1969 to 1975. This paper reports twinning rates and relates these to maternal age, parity, and consanguinity. Birth weights and other dimensions at birth and infant mortality are also studied. The overall twinning rate was 1 in 115 births. Dizygotic twinning rates increased significantly with maternal age and parity. The measurements at birth for like-sexed twin pairs were lower than that of unlike-sexed, but the mortalities did not differ significantly. Twins, in general, had a several fold increase in mortality as compared with singletons.

Adult↗
PubMed1979

Trends in human reproductive wastage in relation to long-term practice of inbreeding.

The trends in reproductive performance and wastage are studied in relation to consanguinity of marriage and age of women on a population sample of 20,626 women, from the rural and urban areas of North Arcot District in South India. Data were collected by qualified women investigators using intensive interveiw techniques and specially developed questionnaires. Adequate quality control mechanisms were set up to ensure reliability of information gathered. For each marriage, a family pedigree was drawn extending upwards to two early generations on the side of each spouse in order to determine the existence and type of consanguinity married, 80% or more of such between an uncle and a niece or between first cousins. Altogher 70 161 total pregnancies were recorded for the 20,626 women. The differences between consanguineous and non-consanguineous marriages in terms of total foetal loss, perinatal, neonatal, postneonatl and infant mortality rates showed only marginal differences that attain statistical significance only because of the large sample size involved. No consistent relationships were observed between the degree of consanguinity and these reproductive losses. These actual differences were more marked in the older age-groups of women and declined to rather insignificant proportions as the age groups became younger. Taking into consideration the various socio-demographic factors, the narrowing differentials in the reproductive wastage between consanguineous and non-consanguineous marriages from the oldest to the youngest women confirm the tapering effects of continued inbreeding practices on the reproductive wastage. Further studies on these lines are still in progress.

Adult↗
PubMed1978

Maternal and fetal nutrition in south India.

The relation between the nutrition of the mother and that of her baby was assessed in a south Indian community where malnutrition is common and women do not smoke. Unselected mothers and their infants of over 37 weeks' gestation were studied in two groups: those who paid for their care (150) and a poorer group who did not (172). There were significnat differences between the paying and non-paying groups in maternal triceps skinfold thickness, infant weight, and infant length. Overall there was a significant positive correlation between maternal triceps thickness and infant weight, length, and triceps and subscapular skinfold thickness. The correlation with the infant head circumference was less significant. These findings are further evidence that the nutrition of the mother has an important effect on the nutrition of her baby and that malnutrition is an important reason why Indian babies are lighter than European ones.

Anthropometry↗