2 doctors weighed in:

My girlfriend had implanon sex without condom, will she get pregnant?

2 doctors weighed in
Dr. Howard Schneider
Dentistry - Pediatric
1 doctor agrees

In brief: Unlikely

Implanon is a small, contraceptive, medical device that is inserted under the skin of a woman's arm. It should prevent pregnancy for about 3 years.
If your girlfriends implant is less then 3 years old it is unlikely that she will get pregnant. Implanon does not prevent sexually transmitted diseases (like a condom will), so if you were not her partner you may want to have a discussion about that.

In brief: Unlikely

Implanon is a small, contraceptive, medical device that is inserted under the skin of a woman's arm. It should prevent pregnancy for about 3 years.
If your girlfriends implant is less then 3 years old it is unlikely that she will get pregnant. Implanon does not prevent sexually transmitted diseases (like a condom will), so if you were not her partner you may want to have a discussion about that.
Dr. Howard Schneider
Dr. Howard Schneider
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