The Medical and Surgical Practice of NaProTECHNOLOGY, 281-284, 2004

Chapter 23: Differences Between Laboratories

Thomas W Hilgers

Author affiliations
  • Pope Paul VI Institute for the Study of Human Reproduction, Omaha, Nebraska. ROR
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Abstract

Serum estradiol and progesterone assays vary substantially across laboratories because of differences in antibody specificity, calibration standards, detection platforms, and quality-control practices, meaning that a value within one laboratory's generic reference range may represent a clinically significant deficiency when interpreted against NaPro Peak-day-specific norms. NaProTECHNOLOGY requires consistent use of a single reference laboratory and interpretation relative to cycle-phase-specific NaPro standards rather than broad lab-generated reference intervals, to avoid missing subtle follicular or luteal phase defects that standard reporting would classify as normal.

Topics

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Cite this article

Hilgers, T. W. (2004). Chapter 23: Differences Between Laboratories. *The Medical and Surgical Practice of NaProTECHNOLOGY*, 281-284.

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