uterine septum
... that the partition of a uterine septum can extend caudally and result in a double vagina?
... that the partition of a <b id="mwFYI"><a href="./Uterine_septum" id="mwFYM" rel="mw:WikiLink" title="Uterine septum">uterine septum</a></b> can extend <a href="./Anatomical_terms_of_location#Anterior_and_posterior" id="mwFYQ" rel="mw:WikiLink" title="Anatomical terms of location">caudally</a> and result in a <a href="./Vaginal_septum" id="mwFYU" rel="mw:WikiLink" title="Vaginal septum">double vagina</a>?