It appears that she bled to death and the triplets were stillborn.
She was apparently a large woman and gave medical excuses to cover her weight gain.
Her identity has been confirmed, out of respect, I won't post her name.
http://www.huffingtonpost.com/2010/02/03/victoria-hope-hid-triplet_n_447443.html
Being a larger woman and having medical excuses helps explain it some, thank you.