Beta-Thromboglobulin (β-TG) and Platelet Factor 4 (PF4) in Obstetrical Cases

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Abstract
The plasma levels of β-Thromboglobulin (β-TG) and Platelet Factor 4 (PF4) were measured in patients during the normal obstetrical period and in pre-eclampsia. A significant increase was observed in the two proteins with respect to the non-pregnant control group but no difference was seen between pregnancy and puerperium in either the normal or pre-eclamptic cases. The one significant variation in the concentration of the two proteins was a sharp rise during parturition. There was no correlation between β-TG, PF4 and either the platelet count or creatinine but urea and uric acid did show a slight correlation with the two platelet proteins.