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Figure Legends
Figure 1: a) 2D ultrasound showing transverse view of unicornuate uterus on left side, pregnant rudimentary horn on right side. b) 3D configuration of the unicornuate uterus and pregnant rudimentary horn.
Figure 2: Schematic diagram representing unicornuate uterus on left side, pregnant rudimentary horn on the right side with no connection to the cervix, and a small band connecting both.
Figure 3: Laparoscopic overview of the abdomen, rudimentary pregnant horn on the right, and the unicornuate uterus on the left.
Figure 4A: Macrosopic picture of the excised rudimentary horn with the embryo.
Figure 4B: Histology of the rudimentary horn showing the secretory endometrium with placental implanatation.
Video 1: Laparoscopic excision of the rudimentary pregnant horn.
Table 1: Ultrasound features to help differentiate between fallopian tube ectopic pregnancy, bicornuate uterus pregnancy and rudimentary horn pregnancy.