97.2% of the male fetuses had a chorionic villi /placenta location on the right side of the uterus whereas, 2.4% had a chorionic villi /placenta location to the left of the uterus. On the other hand, 97.5% of female fetuses had a chorionic villi /placenta location to the left of the uterus whereas, 2.7% had their chorionic villi /placenta located to the right of the uterus. 127 cases were found to involve bicornuate uteri with single fetuses. Most male fetuses were located in the right horn of the uterus and showed right laterality (70%). Most female fetuses, on the other hand, were located in the left horn and showed left laterality (59%). Moreover, most of the males located in left horn exhibited right laterality (89%). Also, most females located in right horn exhibited left laterality (97.4%)."