Streck, Omaha, Neb, has acquired sperm count and post vasectomy quality control products from Fertility Solutions Inc, Cleveland, Ohio. The sperm count controls for fertility diagnosis have been renamed as Sperm-Chex and Sperm-Chex Post VC. Sperm-Chex is a two-level sperm count control that contains stabilized sperm cells. Sperm-Chex is available in a kit containing two 300 µL vials, one each of Level 1 and 2. Sperm-Chex Post VC is a positive/negative control developed to monitor post-vasectomy sperm counts. Sperm-Chex Post VC is available in a kit containing two 300 µL vials, one positive and one negative sperm control. According to the company, the two products are the only FDA-cleared sperm count controls on the market that contain stabilized sperm and not latex beads. The products are stable for 42 days open-vial and 12 months closed-vial when stored at 2°C to 10°C. The products are packaged in plastic microtubes with screw-top caps. For more information, visit Streck.