The effect of parity on placental weight and birth weight: interaction with placental alkaline phosphatase polymorphism.
作者信息
Chakraborty R, Das S R, Roy M, Mukherjee B N, Das S K
机构信息
Center for Demographic and Population Genetics, University of Texas, USA.
出版信息
Ann Hum Biol. 1975 Jul;2(3):227-34. doi: 10.1080/03014467500000801.
PMID:16431676
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.
摘要
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