Hi,I had symptoms of pregnancy,nausea,sore nipples,back pain,lower abdominal pains which goes to my right leg,my periods were 2 days late and when they came they were not that heavy cause I could use 1pad and it will not be full,my periods last 2-3 days,on the 3rd day I got pink watery blood and I got cramps and a running stomach which I normally get in the beginning of my periods,do you think I m pregnant cause I had sex on my most fertile day and I m not using any kind of contrasptive only the pull out method