Pregnancy possibility sou

Patient: There was no intercourse. And the we had sex play while I had my pants, underwear & pad on so no ejaculation touched me except for some sperms got on my pant on my knee and moved it with a tissue. Then he rubbed his thing on my upper back ” my waist ” that was 10 days ago. My period 28 days period is 3 days late now. Yesterday I got blood twice and it was blood not discharge but today got nothing, am I pregnant?