Scientists are baffled over why as many as 230 or more sets of twins live in an Indian village of just 15,000 people, according to news reports out today. The village in North Kerala, India, reportedly has four times more twins than would be expected. The deluge of doubles remains a mystery, with one doctor suggesting something in the water is the root, according to Reuters. But it could be a sign of the times, as multiple births at least in the United States have skyrocketed over the past few decades, said James Airoldi, Director of Obstetrics at St. Luke’s Hospital and Health Network in Pennsylvania. Under natural conditions (sans a fertility boost), women have about a 1.5 percent chance of having a pregnancy with more than one baby, according to Penn Medicine. Yet the chances of having twins with the use of fertility treatments can be as high as 25 percent, according to the web site of pediatrician Dr. Vincent Iannelli. Here are some other methods for conceiving twins that have been bandied about yet not scientifically proven: * Folic acid: Some say this vitamin B supplement ups the odds of having twins. “There is a little bit of science behind that,” Airoldi said.

Original Source Mystery Surrounds Prevalence of Twins in Indian Village