After the 1981 introduction of in vitro fertilization and other assisted reproductive technology, twin and multiple births skyrocketed in the United States. Dr. Zev Williams of the Columbia ...

Northwell Health partnered with Stacker to examine the decline of multiple births in the U.S. using Centers for Disease Control and Prevention data. Twins, triplets, and other multiples have long ...

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 ...

Because maternal and infant health problems are more frequently associated with higher-order multiple births than with twins and single births, the increase was of public health concern ...

Twins are pretty rare, accounting for just 3% of births in the U.S. these days ... from birthing twins to birthing singletons happened multiple times in the primate lineage — a telltale signal ...