A disturbed fusion of the lower section of the paramesonephric duct (Müller) can lead to a variety of abnormalities in the utero-vaginal region.
[embryology.ch]
This is called an abnormality of the womb, or a uterine abnormality. It's thought that about one woman in 18 has some degree of abnormality (Chan et al 2011a).
[babycentre.co.uk]
Original Article Authors: J de Mey Department of Radiology, University Hospital Brussels, UZ Brussel, Brussels, Belgium X close Abstract Müllerian duct abnormalities (MDA)
[jbsr.be]