Miracles in the Womb from Channel4.com

re: "Twins appearing to embrace in the womb, siblings engaged in early game-playing and never-before-seen footage of 'vanishing twin syndrome'. The team behind Animals in the Womb turns its attention to the incredible story of multiple foetal development in Miracles in the Womb. /Combining revolutionary 4D ultrasound footage (three dimensions plus real time) with state-of-the art graphics and life-like modelling, Miracles in the Womb offers a stunning window on the often fraught world of multiple pregnancy – from conception to birth. /The film follows real-life rare pregnancies, including identical quadruplets conceived by chance (estimated as a 1 in 64 million occurrence) and triplets, theoretically the result of a rare phenomenon called Superfecundation, where one of the foetuses was conceived at a separate time to the other two..."...