Estradiol (E2)

Endocrine & Reproductive

Normal Reference Ranges

Adult

Male: 10-40 | Female: Varies heavily by menstrual cycle phase pg/mL

Pediatric

Varies by age/Tanner stage pg/mL

Clinical Significance

Primary estrogen in premenopausal women. Used to evaluate amenorrhea, precocious puberty, and menopause.

Causes of High

  • Ovarian tumors
  • Pregnancy
  • Cirrhosis (poor hepatic clearance)

Causes of Low

  • Menopause
  • Ovarian failure
  • Turner syndrome
  • Anorexia nervosa