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ANN ARBOR, Mich. (AP) -- The University of Michigan hospital system has seen lots of birth -- just not five at one time to the same parents.

The three boys and two girls were born Thursday to Robert and Jessica Hicks at C.S. Mott Children's and Von Voigtlander Women's hospitals in Ann Arbor.

They were doing well Friday in Mott's newborn intensive care unit.

The Fenton-area couple had taken fertility treatments. Before getting referred to the University of Michigan, they were told Jessica was carrying quadruplets.

Jessica Hicks says they knew multiple births were possible after fertility treatments but believed they would have "twins, maybe triplets."

The quintuplets came in between 3 pounds, 7 ounces and 4 pounds, 6 ounces.

Dr. Cosmas Vandeven says the team on the births included pediatricians, neonatologists and obstetricians.