Twins Are Becoming Less Common In U.S.

After decades of rising twin births, the twin birth rate has declined in the U.S.<br /> <br />Clip1-Google- fair use<br />Clip2-Google- fair use<br />Clip3-Shutterstock<br />Clip4-Shutterstock<br />Clip5-Google- fair use<br />Clip6-Google- fair use<br />Clip7-Google- fair use<br />Clip8-Google- fair use