Between the 1970s and the 2010s global rates of twinning rose sharply due to the rise of fertility treatments (some ...

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, ...

DENVER -- After 2017 guidelines recommended single embryo transfer in most situations, the multiple birth rate dropped by 58%, according to a large national registry study. Moreover, single embryo ...

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 ...

Kakamega County Health CEC Rachael Okumu checks on the quintuplets that were delivered by Everlyne Namukhula at Kakamega County Referral hospital. Ms Namukhula and two babies died last week due to ...

A worrisome national surge in multiple births linked to test-tube technology is easing, largely because doctors are implanting fewer embryos during each attempt to make a woman pregnant, a study ...

CHICAGO -- Nadya Suleman's daunting future of raising octuplets into adulthood may best be understood by the exhausted but proud parents of other multiples and the researchers who study them. And if ...

When Pearland's Lauren Perkins gave birth to sextuplets at Texas Children's Hospital last week, it set up a story with an inherent contradiction: medical miracle and reproductive calamity.

When Josh and Laurie Anderson discovered last year that she was pregnant with twins, their reaction was typical. "We were overwhelmed," recalled Josh, 31, a UCSF graduate student in biomedical ...

Comorbidities are seen less often in severe RSV infection in infants younger than 3 months compared with older children.