Test Library

Preferred Specimen(s) 1.0 mL Serum

Instruction Specimens should be collected between the 14th and 22nd week of gestation. 15-16 weeks is the optimum time for testing.

Transport Container Plastic Screw cap vial

Transport Temperature Refrigerated 7 days

Reject Criteria

  • Gross hemolysis,
  • lipemic

Methodology EIA

Clinical Significance: Inhibin A is useful as an indicator of gonadal function, and ovarian response to hCg or to FSH stimulation. Inhibin A, produced by the placenta, is used along with other maternal serum biochemical markers to improve sensitivity of the screen for Down syndrome risk.