Schmidt W, Kubli F, Heberling D
Geburtshilfe Frauenheilkd. 1981 Mar;41(3):227-30. doi: 10.1055/s-2008-1037361.
Double monsters are a rare obstetric event. The mean incidence is approximately 1:50,000 deliveries. The early diagnosis of siamese twins with the aid of routine ultra-sound investigation is described. Typical ultrasound findings and procedures to verify the diagnosis are described in detail.
