Written By Admin
Thursday, May 26, 2016
Anemia in pregnancy
Normal hematological events associated with pregnancy . - During pregnancy there is a 36% increase in the blood volume , the maximum is reached at 34 weeks gestation . - The plasma volume increases 47-50 % and RBSs mass Increases only 17 % and reaches its maximum at term . - There is relative hemodilution throughout pregnancy , and this reaches its maximum at 28 – 34 weeks . This dilution effect lowers the Hb , HCT , and RBCs count , its causes no change in the MCV or MCH .
- Hb value below the lower limits of normal not explained by the state of hydration . Anemia during pregnancy 11 or 10.5 g/dl - - Anemia is defined as reduction in the total circulating red blood cells . - 20 – 60 % of prenatal patients will be found to be anemic at sometimes during pregnancy . Causes of anemia during pregnancy :
1- Acquired :
- Iron deficiency anemia .
- Anemia caused by acute blood loss .
- Anemia of inflammation or malignancy . - Megaloplastic anemia . - Acquired hemolytic anemia . - Aplastic or hypoplastic anemia .