The strange case of the twins of Kodinji:
The latest survey, from December 2009, counted 265 pairs of twins in the village, which is home to about 3,000 families and 13,000 inhabitants. This equates to a twinning rate of about 30 to 35 per 1,000 live births within a radius of about 500 metres. The average in the rest of the country is 8.1 per 1,000 live births.
...
Unlike in Cândido Godói, consanguineous (blood-related) marriages are not a factor in the Kodinji twin phenomenon. "The majority of the population is Muslim, but the incidences of twinning are present even among the small…