Twin In very rare cases, twins become conjoined twins. Non-conjoined monozygotic twins form up to day 14 of embryonic development, but when twinning occurs after 14 days, the twins will likely be conjoined. Furthermore, there can be various degrees of shared environment of twins in the womb, potentially leading to pregnancy complications. It is a common misconception that two placentas means twins are dizygotic. But if monozygotic twins separate early enough, the arrangement of sacs and placentas in utero is indistinguishable from dizygotic twins. A 2006 study has found that insulin-like growth factor present in dairy products may increase the chance
Winklevoss twins Ocean's 8. Winklevoss twins The Winklevoss twins (; born August 21, 1981; also humorously referred to as the Winklevi or Winklevii) are American rowers and Internet entrepreneurs, Cameron Winklevoss and Tyler Winklevoss. They competed in the men's pair rowing event at the 2008 Beijing Olympics. They are known for co-founding HarvardConnection (later renamed ConnectU) along with Harvard University classmate Divya Narendra. In 2004, the Winklevoss brothers sued Facebook founder Mark Zuckerberg, claiming he stole their ConnectU idea to create the popular social networking site, and ultimately received $65 million. They are now venture capitalists, and have led a seed funding