TABLE 1.

Concentration ranges for liquid chromatography–tandem mass spectrum assay

Parameter	Concentration range
Progesterone, ng/mL	0.4-121.8
Unconjugated estradiol, pg/mL	25.3-5,034.4
Unconjugated estrone, pg/mL	5.0-1,004.0
Total estrone, ng/mL	0.1-100.1