PMC6305893_01
The transabdominal sonogram shows the left-sided uterus and the rudimentary horn with the yolk sac on the right (arrow). U uterus, RHP rudimentary horn pregnancy.
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The structure containing the gestational sac did not appear to communicate with the cervical canal and was connected to the uterus by a fibrotic band (Fig. 1). 2D ultrasound and subsequent 3D ultrasound supported the diagnosis of a left-sided unicornuate uterus with an ectopic pregnancy in a right-sided rudimentary horn.
Laparoscopic (a) and ultrasonographic (b) view of right rudimentary horn containing pregnancy. Asterisk (*) indicates the fibrotic band connecting uterus to the rudimentary horn. U uterus, RHP rudimentary horn pregnancy, S salpinx.
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The right ovary and fallopian tube were normal (Fig. 2A).