Can I get pregnant on implanon? I recently had unprotected sex and he finished in me. It was 3 days after my last period.

Low chance. No contraceptive method is 100% effective but the combination of birth control use as well as having intercourse remote from the time of ovulation, your chances should be very low to get pregnant.
Not likely . Implanon is a very effective birth control method. Of course there are exceptions but Implanon is a highly reliable method. Condoms would decrease the risk and protect your against stds.

Related Questions

I've had the nexplanon on since February last period was on April. Been having unprotected sex. Recently just had a brown/pinkish discharge?

Some thoughts... One's primary care doctor can check out a new or unusual vaginal discharge that started after sex. The doctor can check for a urine infection, if there are any urinary symptoms. Sometimes vaginal discharges are related to overgrowth of non-dangerous bacteria, but other times they are related to sexually-transmitted infectious microbes that need treatment. A pregnancy test can be done, if needed. Read more...