Stimulation of follicular growth in infertile women, followed by hCG to induce ovulation for single follicular development eg, hypothalamic pituitary dysfunction (WHO group II), patients w/ polycystic ovarian disease & multiple follicular development (assisted conception techniques) eg, tubal occlusion, unexplained infertility, male factor infertility.
Initially 75 IU SC daily for at least 7 days followed by hCG 5,000-10,000 IU 1 day after last dose. Duration: No >12 days. Evidence of ovulation w/ no pregnancy Repeat for at least ≥2 courses before increasing dose to 150 IU daily for 7-12 days. In vitro fertilization Initially 150 IU daily in early follicular phase (cycle day 2 or 3) until sufficient follicular development is attained. Duration: Not to exceed 10 days.
Hypersensitivity. High levels of FSH, primary ovarian failure; organic intracranial lesion eg, pituitary tumour; any cause of infertility other than anovulation; ovarian cysts or enlargement not due to ovarian polycystic disease; gynecological hemorrhages of unknown aetiology. Pregnancy.
Discontinue use if pelvic pain, abdominal distention, ovarian enlargement or oestrogen assays or ultrasound exam suggest excessive oestrogenic response. Ascites, pericardial effusion, hydrothorax, hemoconcentration, secondary hyperaldosteronism or hypercoagulability. Not to be given during pregnancy & lactation.
Local inj site reactions, fever, arthralgias; GI symptoms eg, bloating, pelvic pain or sore breasts; mild to moderate ovarian enlargement, ovarian cysts.
Drug Interactions
Potentiated follicular response w/ clomifene citrate. Increased needed dosage w/ concurrent use of GnRH agonist.