Frequency of Twinning in Nigeria: A Review K.M. Akinseye, A.T. Anifowoshe, O.A. Owolodun, O.M. Aina, and O.A. Iyiola (pp. 78-88) Abstract Increased twinning rate in developing countries, especially Nigeria, which has the highest twinning rate, exposes mothers and infants to …