Abstract:Factor VIII and factor VIII related antigen were found to change proportionately during normal pregnancy. There was a clear tendency for levels of activity and antigen to increase as the duration of the pregnancy advanced. In the pregnant women studied a significant difference was observed in factor VIII levels between Blood Group A and Blood Group O. A similar difference was found in factor VIII related antigen levels. Age, weight and previous use of contraceptives seems to have no influence on factor VIII an… Show more
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