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Platelet values during normal pregnancy.

P R Sill, T Lind, W Walker

    British Journal of Obstetrics and Gynaecology
    |May 1, 1985
    PubMed
    Summary
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    Pregnancy hematological changes vary significantly between individuals. Mean values for platelet count and hemoglobin may decrease, but individual patient data reveals substantial variability, making group trends misleading for pregnant women.

    Area of Science:

    • Obstetrics and Gynecology
    • Hematology

    Background:

    • Hematological parameters often change during pregnancy.
    • Understanding these changes is crucial for monitoring maternal and fetal health.

    Purpose of the Study:

    • To analyze hematological indices in healthy pregnant women.
    • To assess the reliability of group mean trends versus individual patient data.

    Main Methods:

    • Blood samples collected from 26 healthy women throughout gestation.
    • Analysis performed using a Coulter Counter Model S Plus III.
    • Evaluation of mean values and within-patient trends for various hematological indices.

    Main Results:

    • Mean platelet count and hemoglobin concentration showed a slight decrease.

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  • Mean platelet volume, platelet distribution width, and white cell count appeared to increase.
  • Significant individual variations in platelet counts were observed, contradicting group trends.
  • Conclusions:

    • Group mean hematological trends during pregnancy can be misleading.
    • Individual patient data is essential for accurate interpretation of hematological changes.
    • Assumptions based on group data may not reflect individual pregnant women's physiological responses.