"No." She corrected him sternly. "My mother didn't..." Isabel trailed off, a little frustrated at this point. Of course he didn't know. It wasn't like everyone in the world had been acquainted with an alien at one point or another in their lives.
"More like..." She hesitated, still trying to think of a more eloquent way to phrase her origins. "A test tube baby?" Isabel winced. She didn't like the sound of it, but it was a pretty good explanation.