My Last Period Was In 25th July..in This Mnth I

My last period was in 25th july..in this mnth i m spotting wid blood but not an actual period and its happing in frequent days...i conformed my pregnancy wid prega news..this is my few days pregnancy with which i m quiet sure and it's unwanted because after sex means as soon as the seeds are ejaculated inside i just get up and jump and wash thoroughly to avoid. .wat should I do