What Causes Vaginal Bleeding After Getting A Positive Pregnancy Test?

Hi, may I answer your health queries right now ? Please type your query here...hello I've been trying to get pregnant and didn't come on my period last sat so did a test which was positive. That evening and for a few days I was then getting spots of light blood so wed I did another test which was positive. Then from yesterday I have started to bleed like a normal period but I'm having no pains what could be happening?