when does nexplanon become effective????

jessica

i got nexplanon put in yesterday, which was the last day of my period, and i asked my doctor about when it is effective or if i had to wait and he said no i don’t but then i looked it up on google and it said to wait 7 days, so my boyfriend and i had sex with a condom and what do you know, the condom breaks. should i be worried??? am i safe??