input please membrane sweep?

Went to my 37 week +2 check up today last week was 1.5cm dilated and now I'm 2cm-2.5cm , the doctor told me this time I will experience bleeding, and it's been acouple hours since I left doctor and I've been having insane cramping and bleeding , I'm starting to think maybe he did a membrane sweep? I didn't bleed at all like this when he checked me the first time. Does having a membrane sweep cause bleeding ?