There are two types of FSH preparation as a medication: the urinary-derived and the recombinant FSH. Urinary-derived FSH derives from the urine of menopausal women, while recombinant FSH is obtained by means of genetic engineering, and this is the reason why it is more expensive.
By Blanca Paraíso M.D., Ph.D., M.Sc. (gynecologist), Marta Barranquero Gómez B.Sc., M.Sc. (embryologist), Zaira Salvador B.Sc., M.Sc. (embryologist) and Cristina Algarra Goosman B.Sc., M.Sc. (psychologist).
Last Update: 05/02/2014