Evaluation and Comparison of Noninvasive Blood Glucose Concentrations

The objectives of this study are

- collect subject data on a near-infrared spectroscopy-based glucose meter

- evaluate existing instrumentation, calibration algorithms and calibration maintenance
techniques

- collect data on the physiological and environmental sources of interference and
degradation of measurement accuracy.

Inclusion Criteria:

- Female aged ≥ 18 and ≤ 50 years of age at time of enrollment

- Females with self reported diagnosis of Type I, Type II or Gestational Diabetes, or
no self reported diagnosis of diabetes.

Exclusion Criteria:

- Severe heart disease as evidenced by peripheral edema (self reported)

- Currently taking Lasix (self reported)

- Liver disease as evidenced by jaundice (self reported)

- Receiving dialysis or having known renal compromise (self reported)

- Skin damage at optical sampling site

- Scars, tattoos, rashes or other disruption/discoloration on the right index finger

- Recent (within past month) or current oral steroid therapy or topical steroids
applied to the hands; inhaled steroid therapy (self reported)

- Current chemotherapy, or chemotherapy within the past 12 months (self reported)