Radswiki T, Khoshnaw K, Rezaee A, et al. Intertwin membrane folding. Reference article, Radiopaedia.org (Accessed on 28 Mar 2024) https://doi.org/10.53347/rID-15057
Some reports suggest that folding of the inter-twin membrane occurs in about one-quarter of monochorionic twins wherein ~43-50% half of these there can be a subsequent development of twin-to-twin transfusion syndrome 1-2.