Abstract
Numerous hematologic and hemostatic changes occur during an uncomplicated pregnancy. Presumably, these alterations have been selected for because they are beneficial to both the mother and the fetus. Plasma expansion in excess of increased red cell production leads to the anemia of pregnancy, and fetal and placental demands tax a mother’s iron and folate stores. Hemostatic changes are associated with an increased risk of maternal morbidity and mortality caused by thrombotic complications, but theoretically may improve maternal and fetal viability by reducing blood loss during parturition. In order to accurately interpret changes in hematologic and hemostatic laboratory measurements when complications arise, it is necessary to first appreciate the physiologic adaptations that occur during normal pregnancies.
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Eby, C.S. (2004). Hematology and Hemostasis During Pregnancy. In: Gronowski, A.M. (eds) Handbook of Clinical Laboratory Testing During Pregnancy. Current Clinical Pathology. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-59259-787-1_10
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