Have you noticed a change in your relationship?
Is your husband suddenly spending several late nights at the office?
Is he distant and moody?
Does he make excuses for where he has been?
Has he lost interest in the physical aspect of your relationship?
If you have answered yes to any of these questions, he may be cheating on you.
There are 3 primary techniques that can be utilized to characterize a suspicious stain, a Semen Screen, Saliva Test or a DNA Test.
During and after sexual activity, semen, vaginal fluid, saliva and epithelial cells can be deposited on undergarments, panties, bed sheets, clothing, upholstery or other surfaces. Sperm can last as long as 3–5 days in the vagina and remain identifiable for years as dried stains."