粘连胎盘 adherent placenta ; adherent t placenta

头颅连胎 Craniopagus

颅部连胎 Craniopagus

寄生式连胎 Parapagus

黏连胎盘 adherent placenta ; placenta adherent

连体双胞胎 conjoined twins ; Siamese twins

头胸连胎 Cephalopagus

臀连双胎 pygopagus