CheckMate, a leading infidelity test kit company, has been acquired by Medimpex United Inc., one of the largest test kit manufacturers in America. The acquisition expands Medimpex's product offerings to include the CheckMate home use test kit, which allows individuals to privately test clothing and linens for traces of dried semen as a way to gain evidence of a partner's potential infidelity. CheckMate provides users with instant results and aims to help end uncertainty in relationships through its conclusive testing.