Author(s): Makkonen M, Penttil IM, Castrn O
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Abstract Total serum lactic acid dehydrogenase activity (LDH) and the levels of LDH isoenzymes were investigated in 14 women during early pregnancy (8--16th week), in 28 women during late pregnancy (29--37th week), in 73 at term (38--42nd week) and in 27 during labor (38--42nd week). LDH activity was found to be elevated in severe pre-eclampsia and in chronic hypertensive women during pregnancy as well as during normal and dysfunctional labor. No change was established in total serum LDH during normal pregnancy. LDH 1 was increased during late pregnancy and at term. In severe pre-eclampsia and during normal labor it was decreased. LDH 2 was also decreased in severe pre-eclampsia and during dysfunctional labor. LDH 3 was decreased during late pregnancy but increased in severe pre-eclampsia. No change was observed in LDH 4 during pregnancy, or in labor. LDH 5 was increased in normal and dysfunctional labor.
This article was published in Acta Obstet Gynecol Scand
and referenced in Biochemistry & Analytical Biochemistry