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. 2001 Apr 3;98(8):4420–4425. doi: 10.1073/pnas.071511098

Table 1.

Variation in physiological properties during the menstrual cycle

Parameter Day 14 Day 25
Hb, μM 3.07  ± 0.04 4.72  ± 0.05
HbO2, μM 7.56  ± 0.04 11.04  ± 0.06
Total Hb, μM 10.63  ± 0.05 15.76  ± 0.08
StO2, % 71.12  ± 0.53 70.06  ± 0.53
Water, % 16.49  ± 0.11 21.12  ± 0.15

Calculated physiological properties, Hb concentration (μM, HbO2, deoxy-, and total Hb), blood oxygen saturation (StO2), and water concentration relative to pure water (%) for a premenopausal subject at Days 14 and 25 of a 28-day menstrual cycle.