A bicornuate uterus is a type of congenital uterine malformation or müllerian duct anomaly in which the uterus appears to be heart-shaped. Bicornuate uteri have two conjoined cavities whereas a typical uterus has only one cavity.
https://www.verywellfamily.com/bicornuate-uterus-and-risk-of-miscarriage-2371689

