Age, Fertility and Twins or More

More American women than ever are having twins, triplets, quadruplets and even quintuplets, and it’s not just because some are using fertility treatments, new research shows. Since the 1980s, the number of multiple births has jumped from roughly 20 sets per 1,000 live births to almost 35 sets per 1,000 live births, the study found. To determine whether this was …

Fewer in vitro (IVF) multiple births in 2013 SART report

More than 1.5% of babies born in 2013 owe their lives to in vitro fertilization, and fewer of them were twins or triplets, according to new figures from the Society for Assisted Reproductive Technology.

A total of 63,286 babies were born as a result of 174,962 attempts to use assisted reproduction treatments, according to the report. Both figures represent small …