The effect of parity on placental weight and birth weight: Interaction with placental alkaline phosphatase polymorphism

Ranajit Chakraborty, S. R. Das, Monami Roy, B. N. Mukherjee, S. K. Das

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

The effect of parity on placental weight and birth weight is examined through a series of birth records from an Indian population in Calcutta. Placental weight and birth weight increase with parity, the maximum increment occurring between parities 1 and 2. This is compatible with a hypothesis of sensitization of the mother to foetal, paternally derived, antigens. The three common placental alkaline phosphatase enzymic genotypes have no effect on determining foetal development.

Original languageEnglish
Pages (from-to)227-234
Number of pages8
JournalAnnals of Human Biology
Volume2
Issue number3
DOIs
StatePublished - 1 Jan 1975

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