Panties are tested more than all other items combined. Other tested items include pants, feminine pads and tampons, bed linens, scrapings, washcloths, bathrobes, t-shirts, pants, blouses, and lingerie.

How Can I Tell If There Is Semen on Her Panties?

There are many different types of stains on panties. Here are a few examples of stains and the outcome of our laboratory test. Twenty percent (20%) of all tested articles are positive for semen.

Actual Panty Stain Examples

(case number is the picture file name)

Negative	Positive	Negative	Negative

Negative	Negative	Positive	Negative

Positive	Positive	Negative	Negative

Positive	Negative	Negative	Positive

Positive	Positive	Negative	Negative

Positive	Negative	Positive	Negative
Blue dye caused by a home AP Kit

Positive	Negative	Positive	Negative
		Blue dye caused by a home AP Kit	Blue dye caused by a home AP Kit

Negative	Positive	Negative	Positive
		Blue dye caused by a home AP Kit

Positive	Negative	Positive	Negative
Blue dye caused by a home AP Kit			Blue dye caused by a home AP Kit

Negative	Positive	Negative	Positive