I was so very fortunate to have an informal talk with Dr. Beatriz Marcheco-Teruel when I visited Havana last month. Dr. Marcheco-Teruel established and directs the Cuban Twin Registry. She described how she trained workers to do outreach in many Cuban provinces to record twin births and to determine zygosity, birthing practices, and birth order. She told me that the majority of twin births in Cuba occur naturally as opposed to by cesarean section. She also mentioned that it would […]