Document Detail

Abo blood groups and completed reproductive performance of rural Haryanavi couples: analysing measures of selection intensities.
MedLine Citation:
PMID:  15535455     Owner:  NLM     Status:  MEDLINE    
The possible differential effects of ABO blood group materno-paternal (fetal) incompatibility on completed reproductive performance were investigated on a sample of 100 couples (100 fathers and 100 mothers) from three villages in the Jind district of Haryana state, India. The average number of live births per mating couple was slightly higher for the incompatible matings (5.32) than the compatible ones (5.05). This advantage was offset by higher postnatal mortality in the former. Consequently, the average number of living children in the compatible matings (4.64) was higher than in the incompatible ones (4.18). With reference to individual ABO matings, the index of relative fertility (Irf) was the highest in A x AB followed by B x A type of incompatible matings. No decrease in live births in O x A and O x B incompatible matings was observed compared with their reciprocal compatible ones, i.e. A x O and B x O matings, as has been hypothesized in previous studies. The total pregnancy wastage was substantially higher in ABO-incompatible matings (24.59%) than compatible matings (8.45%). About 71% of the postnatal deaths took place within one year of the birth in the case of incompatible matings compared with 50% in the case of compatible matings. The study supports the hypothesis that selection is operative at the ABO locus as revealed by the measures of selection intensity. The loss of fitness in the present sample was associated with differential mortality. There were no differences in the proportions of average number of male live births in the compatible (0.55) and incompatible matings (0.58). However, in the individual mating types, there was some evidence of higher or lower proportions of male live births.
Krishan Sharma; Rajni Kapoor
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of biosocial science     Volume:  36     ISSN:  0021-9320     ISO Abbreviation:  J Biosoc Sci     Publication Date:  2004 Nov 
Date Detail:
Created Date:  2004-11-10     Completed Date:  2005-01-18     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0177346     Medline TA:  J Biosoc Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  633-46     Citation Subset:  IM    
Department of Anthropology, Panjab University, Chandigarh-160 014, India.
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MeSH Terms
ABO Blood-Group System*
Blood Group Incompatibility*
Infant Mortality*
Infant, Newborn
Pregnancy Outcome
Rural Population
Reg. No./Substance:
0/ABO Blood-Group System

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