A Nigerian city with an unusually high number of twins has celebrated the phenomenon at an annual festival. Nearly every family in the south-western city of Igbo-Ora has twins or other multiple births, according to local chief Jimoh Titiloye. Twins Kehinde Adamolekun, left, and Taiwo Adamolekun, 28 (AP)For the past 12 years, the community has organised an annual festival to celebrate twins. While that could explain the higher-than-normal rate of fraternal twins in Igbo-Ora, the city also has a significant number of identical twins. Twins Taye, Tijani, left, and Kehinde Tijani, 48 (AP)Those result instead from a single fertilised egg that divides into two – not because of hyper-ovulation.

Source: The Guardian October 14, 2022 21:12 UTC