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When it comes to having twins, not all regions are created equal. Central Africa snags the record for the highest twin birthrate, while Asia and Latin America have much lower rates of twinning, according to a new international study and global twins database.
The central African country of Benin has the highest national average of twinning, with a whopping 27.9 twins per 1,000 births, the researchers added.
The findings may help answer questions about the causes of twinning, which may range from a mother's age, height and diet to genetic factors that are passed down through the maternal line, as well as mortality differences between boys and girls in certain regions