My period started on 20th june and bleeding stopped on 22nd june. I had unprotected intercourse on 26th june. Within 25-26 hours I have taken contraceptive ipill. Since then there is 10 days and there is no signs of spotting or any withdrawal bleeding. I was having cramps and headache in regular basis. I was having lower back pain from 2 nd to 5 th july but its not there now. 1. Is there any signs of pregnancy? 2. No withdrawal bleeding yet after taking contraceptives normal? 3. Irregular cramps and back pain in 10-15 th day of cycle concerning?