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Related Experiment Videos

Routine 36-week hemoglobin and hematocrits: are they necessary?

D Lee1, G A Patrissi

  • 1Mather AFB, CA 95655.

Military Medicine
|March 1, 1994
PubMed
Summary
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Routine 36-week hemoglobin and hematocrit screening in pregnant women is not beneficial. This practice increases patient discomfort and laboratory workload without improving prenatal care.

Area of Science:

  • Obstetrics and Gynecology
  • Hematology
  • Clinical Laboratory Science

Background:

  • Varied hemoglobin and hematocrit (H&H) screening schedules are employed for pregnant women across Air Force hospitals.
  • Assessing the optimal timing for H&H screening is crucial for effective prenatal care and resource management.

Purpose of the Study:

  • To evaluate the clinical utility of 36-week hemoglobin and hematocrit screening in pregnant women.
  • To determine if 36-week screening offers advantages over 28-week screening or labor admission screening.

Main Methods:

  • Retrospective chart review of 111 pregnant women delivering between November 1990 and February 1991.
  • Analysis of hemoglobin and hematocrit values at 28 weeks, 36 weeks, and upon labor admission.

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Main Results:

  • Hemoglobin and hematocrit values were significantly lower at 28 weeks compared to 36 weeks (p > 0.01).
  • Values at 36 weeks were significantly lower than those recorded upon labor admission (p > 0.01).
  • 36-week screening did not correlate with improved prenatal care outcomes.

Conclusions:

  • Screening hemoglobin and hematocrit at 36 weeks of gestation provides no discernible benefit to prenatal care.
  • Implementing 36-week screening leads to increased patient discomfort and an elevated workload for clinical laboratories.
  • Current screening protocols may require revision to optimize patient care and laboratory efficiency.