Twins, triplets, and other multiples have long caught the attention of "singletons," or those of us born without a built-in best friend by our sides. Twins—and the media—annually descend on Twinsburg, ...

Special names for multiple births help identify the number of babies born at once. The development of assisted reproductive technologies, like in vitro fertilization, has led to an increase in ...

It’s predicted the rate of multiple births could rise across all countries between 2050 and 2100. Larysa Dubinska/ Shutterstock Globally, mothers are having fewer children. Yet despite this latest ...

The story of so-called Octomom Nadya Suleman has raised a lot of interest in multiple births. Although having 8 babies at one time is uncommon, multiple births are not. Rex and Patty Wilhite always ...

The rate of triplet and higher-order multiple births in the United States declined 62 percent from 1998 to 2023, according to the Centers for Disease Control and Prevention. Most of the downturn ...

The birth defects were more likely, but still very uncommon, in infants conceived through certain fertility treatments, a large study found. By Teddy Rosenbluth After multiple cycles of I.V.F. and ...

Twin and triplet births are on the decline. Here’s how it breaks down by state. Twins, triplets, and other multiples have long caught the attention of “singletons,” or those of us born without a built ...