The 4MID® Kits are unique ELISA Kits commercialized by SPQI-4BioDx that allows to objectively select the best semen and therefore will improve cryopreservation success results (by detecting poor freezers).

The 4MID® Kits are based on the detection and quantification of the proAKAP4 concentrations in the semen. The ProAKAP4 concentrations are indicative of sperm quality and how spermatozoa will be functional and living in time.

This pertinent tool optimizes the semen selection to increase AI success rates and quality control processes !

More details about this new approach in sperm analysis with the 4MID® Kits and their different applications on

Please contact us at if you require further information !