Man, just admit you guys with your spoilers are full of shit.
Considering SAO is the anime/light novel version of Twilight...
One can see how this feels like made up shit. Half the stuff in Twilight feels like made-up shit.
"The baby kicks so hard it breaks her spine. Edward has to remove the baby by c-section... with his mouth. Then they turn Bella into the most beautiful vampire evar! Oh and Jacob imprints on the baby because it's the closest he'll have to Bella."