Abstract
Menopur® is a highly purified, urine-derived, human menopausal gonadotropin containing both follicle stimulating hormone (FSH) and luteinizing hormone (LH) activity. It is an effective option for controlled ovarian stimulation (COS) in assisted reproductive technology protocols and for ovulation induction (OI) in anovulatory infertility, and is associated with a different endocrine profile from that of recombinant (r) FSH in these settings (in terms of serum levels of FSH, androgens and/or estradiol). When used for COS in women undergoing in vitro fertilization (IVF)/intracytoplasmic sperm injection (ICSI), Menopur® was as good as rFSH in terms of pregnancy rates (despite being associated with a lower oocyte yield) and was found to improve some aspects of embryo quality in the IVF (but not ICSI) setting; using Menopur® in combination with highly purified urinary FSH resulted in similar reproductive outcomes as Menopur® alone. Data for Menopur® in OI are limited, but suggest ovulation rates may be as good as those with rFSH + rLH (in type 1 anovulation) and rFSH (in type 2 anovulation). Moreover, compared with rFSH, Menopur® appeared to be associated with a less pronounced follicular response and a lower risk of ovarian overstimulation.
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