No intercourse, came on the body.

[gk3033]

I and my GF had sex without actual penetrative sex (she was dry and on first time sex) but some so called frottage/genital rubbing which I'm not sure if there might be a pre-cum leaked and touched her. I every time came on her body.
- 4 Mar : no touch of her private area, no ejaculation
- 8 Mar : genital rubbing and fingering; came on her stomach
- 10 Mar : genital rubbing and fingering; came on her stomach (with a little touch her public hair)
- 11 Mar : only fingering with no touch of my penis

My GF had a bleeding on 16 Mar lasted in 3 days, likely she ovulated on 2 Mar.
But the thing I'm a little freaking is about her bleeding would be considered a so called Implantation or actually her period but she confirmed that the flow is usual and in red color (no difference noticed) and lasted in 3 days (a bit shorter than usual).

She also had a diarrhea about 3-4 days prior to bleeding.

Is this possible she's getting pregnant by these activities?
Thank you.