Abstract
Unicornuate uterus occurs due to a complete or partial nondevelopment of one Mullerian duct; sometimes it is associated with a rudimentary horn, which can communicate or not with uterine cavity or contain functional endometrium. Pregnancy in a rudimentary horn is rare and the outcome almost always unfavorable, usually ending in rupture during the first or second trimester with significant morbidity and mortality. Despite the availability and advances on imagiologic procedures, recognition of this ectopic pregnancy is frequently made at laparotomy after abdominal pain and collapse. The authors describe a case of a primigravida with 34 weeks of gestation admitted with a preeclampsia with severity criteria. A cesarean for fetal malpresentation was done and, unexpectedly, a rudimentary horn pregnancy was found with a live newborn. In the literature, few reports of a horn pregnancy reaching the viability with a live newborn are described, enhancing the clinical importance of this case. A review of literature concerning the epidemics, clinical presentation, and appropriate management of uterine horn pregnancies is made.
Highlights
Abnormalities of embryogenesis of Mullerian duct system resulting in congenital anomalies of female genital tract are relatively common [1]
The failed Mullerian duct leads to the formation of an isolated hemiuterus without a contralateral structure to various degrees of a rudimentary horn [1,2,3]
Case Reports in Obstetrics and Gynecology the uterine horn could represent a site for ectopic pregnancy, where natural course is rupture during second trimester, with a potentially life-threatening heavy bleeding [2]
Summary
Abnormalities of embryogenesis of Mullerian duct system resulting in congenital anomalies of female genital tract are relatively common [1]. The failed Mullerian duct leads to the formation of an isolated hemiuterus without a contralateral structure (in complete failure) to various degrees of a rudimentary horn (in partial failure) [1,2,3]. Case Reports in Obstetrics and Gynecology the uterine horn could represent a site for ectopic pregnancy, where natural course is rupture during second trimester, with a potentially life-threatening heavy bleeding [2]. Pregnancy in such a rudimentary horn is extremely rare, 10-fold less common than an abdominal pregnancy. We describe an unexpected horn pregnancy reaching the viability with a live newborn, an unusual presentation
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
