If my mother was still an american citizen when I was born, does that make me a duel citizen?

If my mother was still an american citizen when I was born, does that make me a duel citizen?
If my mother was still an american citizen when I was born then does that make me a duel citizen?

No, it means you can apply for citizenship based on her being a citizen though. She would normally have to currently live in the US and have you enter to stay with her. You could always contact you nearest consulate and ask what you can do