Sure Thing by mike · 2007-06-12 The CheckMate Semen and “Sperm” Detection Test Kit is the easiest and most cost effective way to put an end to the nightmare of suspicion and doubt caused by the infidelity of a cheating spouse or of a sexually active teen. Quickly, easily, and accurately detect and identify semen in undergarments in 5 minutes or less … After sexual intercourse, all women experience “Flowback.” This “Flowback” causes a woman to have dried and or invisible traces of semen in her undergarments long after every sexual encounter. Is that a semen stain in her underwear? Find out in 5 minutes or less with Check Mate … On Sunday morning he left the house and told you he was going to play golf. Then, when he came home and took a shower, you grabbed his underwear and did the test. If you detected semen, what is he going to say? “I was masturbating on the golf course.” Labels: csi, semen, sex, sperm Share