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Birth weight, placental weight and gestation time in relation to natural selection in Thailand

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dc.contributor.author PROMBOON S.
dc.contributor.author MI M.P.
dc.contributor.author CHATURACHINDA K.
dc.date.accessioned 2021-04-05T04:34:00Z
dc.date.available 2021-04-05T04:34:00Z
dc.date.issued 1983
dc.identifier.issn 34800
dc.identifier.other 2-s2.0-0020957661
dc.identifier.uri https://ir.swu.ac.th/jspui/handle/123456789/15422
dc.identifier.uri https://www.scopus.com/inward/record.uri?eid=2-s2.0-0020957661&doi=10.1111%2fj.1469-1809.1983.tb00980.x&partnerID=40&md5=af1df5f865f7fcbac17420a1f29d9376
dc.description.abstract Birth weight, placental weight and gestation time of 26258 single births at Ramathibodi Hospital during 1973–7 were studied in relation to natural selection by fitting quadratic function to natural log of survivors‐to‐nonsurvivors ratios. The survival criterion was 7 days after delivery. The estimated optimal values of birth weight and placental weight were 0.62 and 0.90 standard deviations, respectively, above the corresponding arithmetic means. Selection on birth weight and placental weight was asymmetrical about the optima, being more intense among the lower than the higher values. On the other hand, selection on gestation time seemed most stabilized with the optimum almost coinciding with the mean. Copyright © 1983, Wiley Blackwell. All rights reserved
dc.subject birth weight
dc.subject clinical article
dc.subject etiology
dc.subject geographic distribution
dc.subject gestational age
dc.subject heredity
dc.subject human
dc.subject infant
dc.subject natural selection
dc.subject newborn
dc.subject placenta weight
dc.subject survival
dc.subject thailand
dc.subject Biology
dc.subject Birth Weight
dc.subject Body Weight
dc.subject Delivery Of Health Care
dc.subject Demographic Factors
dc.subject Fetal Death
dc.subject Health
dc.subject Health Services
dc.subject Infant Mortality
dc.subject Maternal Health Services
dc.subject Maternal-child Health Services
dc.subject Models, Theoretical
dc.subject Mortality
dc.subject Physiology
dc.subject Population
dc.subject Population Dynamics
dc.subject Pregnancy
dc.subject Pregnancy, Third Trimester
dc.subject Prenatal Care
dc.subject Primary Health Care
dc.subject Reproduction
dc.subject Research Methodology
dc.subject Socioeconomic Factors
dc.subject Southeastern Asia
dc.subject Thailand
dc.subject Time Factors
dc.subject Birth Weight
dc.subject Female
dc.subject Gestational Age
dc.subject Human
dc.subject Infant Mortality
dc.subject Infant, Newborn
dc.subject Male
dc.subject Models, Biological
dc.subject Organ Weight
dc.subject Placenta
dc.subject Pregnancy
dc.subject Selection (Genetics)
dc.subject Sex Factors
dc.subject Support, Non-U.S. Gov't
dc.subject Thailand
dc.title Birth weight, placental weight and gestation time in relation to natural selection in Thailand
dc.type Article
dc.rights.holder Scopus
dc.identifier.bibliograpycitation Annals of Human Genetics. Vol 47, No.2 (1983), p.133-141
dc.identifier.doi 10.1111/j.1469-1809.1983.tb00980.x


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