Most couples are lucky if just one of the embryos survives.
The first sonogram revealed two fetuses, the second showed three, and the third, incredibly, a fourth. She and Charlie worried about the financial and emotional burden four babies would place on their new family. Charlie had a good job, but he didn't earn the money it would take to support their new additions. He also has diabetes, and Karen worried that a second job would affect his health. On top of that was the daunting prospect of actually carrying and delivering four babies.