RENEE MONTAGNE, HOST:
Good morning. I'm Renee Montagne. Congratulations to the Montalvos of Houston, Texas on the birth of their identical twins Ace and Blaine and on the birth of identical twins Cash and Dylan. The couple thought they'd hit the jackpot when they learned they were expecting twins. Then they heard fourth heartbeat. Quadruplets are unusual, but a pair of identical twins - the odds are about 70 million to one. Next? Possibly a family trip to Las Vegas. It's MORNING EDITION. Transcript provided by NPR, Copyright NPR.