“A quadruplet is a rare event, with the two sets arriving within a week of one another.”

“So, at this meeting, we have data for our patients who are nontransplant eligible with the quadruplet.”

“So the best way I can answer the question is that for me, being a quadruplet is probably similar to people who have siblings close in age.”

“Close to 60 percent of twins, over 90 percent of triplets and virtually all quadruplets and higher multiples are born preterm.”

“The birth of both boy and girl quadruplets has been an extremely rare occurrence in Shanghai in the past 30 years.”

“Indeed, if these early cells separate, they can each continue to develop, making identical twins, triplets, quadruplets, etc.”