Since the 1980s, the global twinning rate has increased by a third, from 9.1 to 12.0 twin deliveries per 1000 deliveries, to about 1.6 million twin pairs each year.

It was already known that in the 1980s natural twinning rates were low in (East) Asia and South America, at an intermediate level in Europe and North America, and high in many African countries. It was also known that in recent decades, twinning rates have been increasing in the wealthier parts of our world as a result of the rise in medically assisted reproduction (MAR) and delayed childbearing.

One day in 1954, Jack Yufe, a store owner from Southern California, stepped off a train in Essen, West Germany, and began searching the crowd at the station. He was looking for someone he had not seen since he was a baby, 21 years earlier.

A man approached. A strangely familiar man. “What a nerve, someone is wearing my face,” Mr. Yufe (pronounced YOO-fee) recalled thinking in an interview with Nancy L. Segal for her 2005 book, “Indivisible by Two: Lives of Extraordinary Twins.”

The siblings - a girl and a boy - were born in the Indian state of Chhattisgarh during an ongoing nationwide lockdown.
"The delivery happened after facing several difficulties and therefore, my husband and I wanted to make the day memorable," the twins' 27-year-old mother told news agency Press Trust of India.
She said the coronavirus was "dangerous and life-threatening", but the COVID-19 outbreak had also made people focus on sanitation, hygiene and instil other good habits.

These sisters share a special bond, one that has received attention worldwide.

Article: http://edition.cnn.com/2016/04/12/health/conjoined-sisters-separated-tex...
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