Hi.
Well A bicornuate uterus no doubt raises the risk of having a miscarriage later in your pregnancy and delivering your baby prematurely but i have seen many patients in whom bicournate uterus was discovered only at the time of cesarean section and they had no problem at all through out pregnancy.
Next Steps
No doubt your pregnancy will be treated as high-risk. Your doctor will monitor your pregnancy carefully. They may perform frequent ultrasounds to check the position of your baby. As it can alter the postion to breech ie ulta bacha even though you should not worry as it just require cesarean section at the time of delivery
Health Tips
as bicournate uterus is accompanied with uneventful outcomes such as preterm labour, fetal malpresentations you should be aware of signs of preterm labour.