I got my implant inserted on Tuesday, 30th June 2015 (I was not on my period). The doctor said it was effective straight away but many sites told me otherwise if I was not on the first 5 days of my menstrual cycle. I had protected sex the next day with a condom and then on Wednesday the 8th July 2015, 8 days after the implant, I had unprotected sex. I've read that if you do not get the implant on your period, you must use back up contraception for 7 days. So basically I just want to know what are my chances of pregnancy depending on the situation I described, thank you.