Doctors are a little shocked with the results of 28-year-old Samantha Weng's pregnancy, as the quadruplets -- Emma, Audrey, Natelie and Isabelle -- were conceived naturally. They say without the use of fertility drugs the odds of having quadruplets are one in a million.
Even more rare is that two of the babies are identical twins.
The couple says they'll eventually test the two other babies to find out if they're also identical twins. The odds of that are one in eight million.