Hi doc I had sex with my bf. On 21st amd had an ipill on 22.i also had a crocin adv. Tab. After half n hr. I usually expect my periods btwn. 23-28. Today is 27. I had a little bleeding spot like thing. But only once. I also had pain in legs like i face during normal periods.but no periods yet. Sperm evajucation took place outside the vagina but to prevent pregnancy i took ipill. Is there any need to worry? Please reply asap