The main disadvantage derived from recombinant FSH if compared to other assisted reproductive treatments is that it is more expensive, since it does not come from the purification human urine.
Recombinant FSH refers to the follicle-stimulating hormone that has been created by means of bioengineering. It is a lab creation, which means it is not a human-based preparation.
The FSH is a type of gonadotropic hormone which regulates the reproductive cycle in men and women. For the assisted reproductive treatments, it is prescribed to women for ovulation induction.