Adolescent Presentation of Unicornuate Uterus With Non-Communicating Rudimentary Horn: A Rare Cause of Severe Dysmenorrhea.

A rare case of progressive dysmenorrhea caused by a non-communicating functional rudimentary horn of the unicornuate uterus highlights the critical need for early imaging and timely surgical intervention to prevent severe complications such as hematometra, endometriosis, and infertility.