Some fertility treatments, such as IVF, might increase the possibility of having twins due to multiple embryos being transferred or the spontaneous splitting of one embryo. But it’s much more likely ...

Because of these concerns, many doctors who specialize in fertility treatments require prospective parents to undergo intensive counseling on the possibilities and risks associated with multiple ...

The twin birth rate in the U.S. has surged over the last 30 years, mostly because of reproductive technologies including in vitro fertilization. Though it's partly the cause, IVF could also be the ...

Side view of a doctor touching a pregnant woman's belly, feeling the baby inside the tummy. Over the past 15 years, the birth rate in the United States has dropped from 2.1 births per woman to 1.66, ...

(CNN) — More American women have had medical help to have their babies than ever, according to the latest annual report from the Society for Assisted Reproductive Technology. The group represents the ...