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Effect of a specific estrogen antibody on pregnancy establishment in the bonnet monkey (Macaca radiata)

Ravindranath, N and Moudgal, RN (1990) Effect of a specific estrogen antibody on pregnancy establishment in the bonnet monkey (Macaca radiata). In: Fertility and Sterility, 54 (6). pp. 1162-1167.

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Official URL: http://www.sciencedirect.com/science/journal/00150...

Abstract

The requirement for estrogen for pregnancy establishment has not been conclusively demonstrated in primates. Selective neutralization of estrogens was achieved in mated female monkeys during preimplantation and postimplantation periods by injecting characterized estrogen antiserum from either day 14 to 18 or day 28 to 32 of cycle. While estrogen deprivation during preimplantation period in 5 animals exposed to 14 ovulatory cycles resulted in only one pregnancy, only 3 of 13 monkeys treated during postimplantation period continued pregnancy to term. In comparison with controls (4 of 5 monkeys becoming pregnant), the percent protection against pregnancy in animals treated during preimplantation period was 93. The pregnancy termination in 10 of 13 monkeys treated during postimplantation period when compared with normal postimplantation pregnancy wastage in our colony (2%) is also highly significant (P less than 0.01). The present study demonstrates a critical need for estrogen during the peri-implantation period for a successful pregnancy establishment in primates.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Department/Centre: Division of Biological Sciences > Biochemistry
Others
Date Deposited: 03 Feb 2011 10:35
Last Modified: 03 Feb 2011 10:35
URI: http://eprints.iisc.ernet.in/id/eprint/35167

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