Required amount of rFSH, HP-hMG and HP-FSH to reach a live birth: a systematic review and meta-analysis.

In women undergoing IVF or ICSI cycles, do recombinant gonadotrophins differ from urinary-derived highly purified human menopausal gonadotropin (HP-hMG) or highly purified follicle-stimulating hormone (HP-FSH) in the total amount of gonadotrophins required to reach a live birth?