The video was on pornhub until a few months ago under the name 'Pregnancy Experiment' (or possibly 'Pregnant Experiment') it seems to be have been taken down by a DMCA
The video is about a scientist who in their research of fertility has become very pregnant, with second part of the video being her having sex with her research assistant (with it being the assistant's POV)

Any information about the video or the woman in it would be most appreciated

Attached is the thumbnail of the video (best picture I could find)
also attached is some fanart someone has commissioned of her