cramping. vaginal test. bleeding

hello ladies.. im pregnant with my first baby.. I had cramping 4 days ago & today I went to the doctors for follow up test, Vaginal Yeast Infection Test & after I got out, later on I spotted bleeding.. I wanted to wait to see if Later I would still be bleeding & i was Not. I went to the rest room 5 minutes ago & I spotted bleeding again.. Is this Normal?