Clomiphene

Mechanism

  • Partial estrogen receptor agonist
    • See Female Hypothalamic-Pituitary Axis topic 
  • Acts specifically in hypothalamus which antagonizes normal negative feedback inhibition
  • Results in an ↑ release of LH and FSH from pituitary
  • stimulates ovulation

Indications

  • Infertility
  • PCOS 

Toxicity

  • Ovarian enlargement
  • Multiple birth pregnancy
  • Visual disturbances 
  • Hot flashes