You're mind gradually forgets how to interperate speech, how to make you move and such. Soon, you barely have any thought at all, except this strange feeling of contracting.
You grow younger still, 7 months, 8 months, your body undevelops even more, becomming birdlike.
Your eyes close permanently... and you shrink to nothing but an unfertalized egg.
The last thing you hear, though you can't understand it, is "no, honey, it turns out I'm NOT pregnant..."