Do You Know “Yoruba People” Have The World’s Highest Twin Birth Rate?
Yorubas have the world’s highest twin birthrate scientist’s Studied that yams are believed “to contain a natural hormone phytoestrogen, which may stimulate multiple ovulation”it. Eating yam increases the chances of having twins.”
The Yoruba are a large ethnic group who live in south-western Nigeria.
A comparison of data from Demographic and Health Surveys of 75 developing countries collected between 1987 and 2010 revealed that Benin had the highest national twinning rate of 27 sets of twins per 1,000 births while nigeria had a rate of 19 sets of twins per 1,000 births.
This study, however, looked at births recorded in countries and not among ethnic populations.