Kjer J J, Eldon K
Zentralbl Gynakol. 1982;104(12):753-6.
A retrospective study was conducted into 146 hospitalised women with endometrial Arias-Stella phenomenon. Extra-uterine gravidity was recorded from only 24 cases (16 per cent). In 116 patients (79 per cent) the above phenomenon was observed in connection with spontaneous abortion or termination of pregnancy.