Why does this town in Brazil have so many twins?

Cândido Godói is a village of 7,000 inhabitants in the south of Brazil that has a phenomenal number of twin births. from BBC News - World ...

Cândido Godói is a village of 7,000 inhabitants in the south of Brazil that has a phenomenal number of twin births.

from BBC News - World https://ift.tt/2MBYoJ2