No, you were not born a human! The Frydshii use highly advanced technology to make their kids appear as humans if they wanted to. And it would be easy stuff to transport your unborn self into a random woman's body. That woman, who by chance presumed they had a moment of "oops" would give birth to you, the alien, and you would never know a thing. Your real mother is a dead ear with a fair amount of ear cleavage, in addition, your real mother was the future Empress of the Frydshii people. If only she wasn't sick, you would have been born into an awesome monarch. But nope, instead you get to go to school and watch Pokemon. :D What an amazing turn of happenstance!
If you were an ear, Shinji wouldn't know where to put it. (I can't believe I just said that! What the hell is wrong with me today!?) *stabbed*