I had an abortion using the pill on 30th November 2014 and I bleed for a week.i had unprotected sex two weeks later and on 15th January I discovered I was pregnant again.i took the pill again on the 21st of January 2015 and have now been bleeding for 15 days.the bleeding is brownish in color with a slight odour and I have back ache.can someone please advise as to whether it is a normal thing to bleed till now or is it cause for worry?