Müllerian abnormalities are present in 0.17% of fertile women and 3.5% of infertile women, and a unicornuate uterus is observed in 0.4% of women. The uterus is normally formed during embryogenesis by the fusion of the two Müllerian ducts. If one of the ducts does not develop, only one Müllerian duct contributes to the uterine development. We report a case of Gravida II, abortion I referred from a primary hospital with a referral paper and sonography stating she had IUFD. She had regular antenatal care follow-up at the primary hospital and had 8 months of amenorrhea. Our ultrasound assessment confirmed the intrauterine fetal demise, but the rudimentary horn pregnancy was missed. Repeated attempts at the induction of labor were tried but unsuccessful. The diagnosis was confirmed at laparotomy. She underwent cesarean section with right intact rudimentary horn removal. A nonviable male fetus with birth weight of 1.2 kg was delivered. Women with this abnormality are asymptomatic and unaware of having a unicornuate uterus. Abdominal pain is the most common presenting symptom with the rudimentary horn, but communicating horn pregnancy is generally asymptomatic in early pregnancy. Early awareness of this rare clinical condition is so crucial especially in developing countries where the availability of new technologies is scarce to explore uterine abnormalities. The patient had uneventful postoperative recovery and was discharged after 3 postoperative days.

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Hybridization was conducted to compare performance of hybrids to their parental line of the pure Clarias gariepinus and Clarias batrachus crosses as a control in triplicates for a period of 60 days, with fortnightly sampling. The hybrid crosses showed intermediate characters between the control crosses in mean weight gain (MWG), specific growth rate (SGR) mean final length (MFL) and survival of fingerlings (SF). However, the hybrids revealed lower characters compared to the progeny of control groups in fertilization rate, hatching and survival of larvae. On the other hand, fertilization and hatching rate among the hybrids and the control batrachus species were statistically insignificant (P>0.05). Similarly, no significant difference (P>0.05) was observed between the two inter-specific hybrids. Though the crosses of C. gariepinus displayed significantly higher value in MWG, SGR, SL and FML than other groups, fingerling survival was found to be lowest. The growth parameters like MWG, SGR and FML of the hybrids were found to be higher than C. batrachus crosses, while survival of hybrid fingerlings were higher than C. gariepinus. Therefore, this is considered as heterosis vigor for the hybrids for that they have achieved better traits either one of the control groups.