Female examinee – Types of swab and timeframes for collection according to type of alleged contact

CONTACT TYPE

(Alleged offender   Female examinee)

SAMPLE TYPE

TIMEFRAME

Penile Genital/Vaginal

Genital swabs and slides as per MEK

(Consider Labia/perineum wet and dry swabs if < 48 hr)

Up to 7 days (longer if immobile)

(Do extra cervical swab and slide if > 3 days since alleged contact)

Penile Anal

Anal and rectal swabs and slides as per MEK

Genital swabs and slides, as per MEK*

Up to 72 hours (longer if bowels not opened)

Penile Oral

Oral swab and slide – as per MEK

Also do lips/peri-oral wet and dry

(NB: Do not do buccal DNA reference sample as well, do blood DNA reference sample if possible)

Up to 48 hours

Digital Genital/Vaginal

Plus- Labia/perineum wet and dry swabs

Genital swabs and slides, as per MEK*

Up to 48 hours (longer if no washing)

Digital Anal

Anal and rectal swabs as per MEK

Plus perineum and peri-anal wet and dry swabs

Genital swabs and slides, as per MEK*

Up to 48 hours (longer if no washing)

Oral Genital

Dry / Wet / Dry of vulva

Genital swabs and slides, as per MEK*

Up to 48 hours (longer if no washing)

 Oral Anal contact

Dry / Wet / Dry of peri-anal skin

Genital swabs and slides, as per MEK*

Up to 48 hours (longer if no washing)

Saliva (lick, kiss, bite) non-genital skin,

Ejaculation / semen to non-genital skin

Wet and dry swabs

Up to 48 hours (longer if no washing)

Gripping / grasping skin non-genital skin

Wet and dry swabs

Up to 48 hours, if have not washed

*It is important to take all genital samples, including slides, if patient consents, to inform analysis of any mixtures of DNA isolated by ESR, which might be contributed by other recent sexual contacts of the patient.