The effect of hysteroscopic metroplasty on fertility in T-shaped and Y-shaped dysmorphic uterus

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OBJECTIVE: T/Y-shaped dysmorphic uterus is frequently associated with subfertility, abortion, preterm delivery, and recurrent implantation failure. In this study, the impact of hysteroscopic metroplasty for a T/Y-shaped uterus on obstetric outcomes was investigated in patients with infertility and recurrent pregnancy loss (RPL) and compared the uterine anomaly subgroups. METHOD: Cases with infertility and/or RPL diagnosed with T/Y-shaped uterus by hysterosalpingography (HSG) and 3D transvaginal ultrasonography (3D TVUSG) with no other male or female pathology have recruited the study. Medical history and the obstetric outcome after two years of follow-up were recorded. RESULTS: Out of the 92 cases recruited, T-shaped uteri (Group-1) were observed in 30, while 62 (67.3%) patients had Y-shaped uteri. Pregnancy was achieved in 50 (54.3%) of the cases, 28 (56%) of the pregnancies occurred spontaneously, and in 22 (44%) pregnancy was achieved through assisted reproductive techniques (ART). Term delivery occurred in 29 (76.3%) of the pregnancies while 9 (23.6%) had preterm deliveries and a total of 38 (76%) resulted in a live birth. Out of the 31 patients with previous RPL history, 13 (41.9%) achieved pregnancy and 11 out of 13 (84.6%) had a term pregnancy followed by live birth. CONCLUSION: Spontaneous pregnancy, and term pregnancy rates after surgery were found to be promising in these uterine anomalies. The pregnancy outcome of the primary infertile patients was found the same in two groups (50%-46.1%), but the results of the RPL patients were found to be better in the T-shaped group than in the Y-shaped group (70%-28.5%).