Taking Another Look at BMPs in Spinal Fusion.

The article presents the cohort study "Retrograde ejaculation after anterior lumbar interbody fusion using rhBMP-2:A cohort controlled study" that creates an uproar inside and outside the orthopaedic sector in the U.S. The mentions the need of male patients to undergo counseling due to the rising risk of becoming sterile after the spinal fusion. Professor Alexander J. Ghanayem mentions that the paper is misinterpreted because the problem is not about sterility but retrograde ejaculation (RE).