The past, present, and future of the semen analysis.

This month's Views and Reviews provides an added perspective to the World Health Organization laboratory manual for the examination and processing of human semen, which was recently published in the 6th edition. The first artice provides a historical context of the prior editions of the World Health Organization manuals and modifications adopted over the years. The next piece then provides additional perspectives on the methodologies used for the performance of semen analysis. The third article then examines some of the new semen analytic technologies and enhancements that have become more common over the years. Finally, the last article proposed where male reproductive testing will head in the coming years with emerging research and technologies.