?Синдром исчезнувшего близнеца? как один из пренатальных факторов формирования личностных особенностей человека

This article is about the vanishing twin syndrome. Scientists have started to speak about this syndrome 20?30 years ago in connection with improvement of methods of supersonic diagnostics of pregnant women. Different modern psychological researches of this subject are analysed in the article. The material will be interesting to the psychologists working in area perinatal of psychology and psychology of the person