Sample Requirements:
SST or red top tube; collect on day 3 or 21 of cycle if assessing fertility
Purpose:
Assesses key reproductive hormones including estrogen, progesterone, LH, and FSH to evaluate menstrual cycle, fertility, or menopause.
High Levels:
Elevated estrogen, LH, or FSH may indicate menopause, PCOS, or ovarian insufficiency.
Low Levels:
Low estrogen or progesterone may suggest anovulation or hormone deficiency.
Reference Range:
Estradiol: 15–350 pg/mL; Progesterone: <1–20 ng/mL (cycle dependent)