Monozygotic twinning itself after elective single embryo transfer is uncommon, occurring in no more than roughly 3% of cases.

One-year-old Israeli twin girls, who were born joined back-to-back at the head, have been separated after a rare and complicated surgery. The sisters, whose names were not provided, underwent a ...

(CNN) — Here’s a look at conjoined twins. Conjoined twins are physically connected to one another at some point on their bodies. Conjoined twins occur once in every 50,000 to 60,000 births, according ...

Twin girls joined at abdomen survived lengthy surgery to be separated. — -- Twin girls born conjoined at the chest and abdomen were successfully separated after an 18-hour surgery that involved ...