By 2100, millions more twins will be born in India — but at what cost?

As fertility rates fall in rich nations, older mothers and natural conception are set to drive a twin boom in low-income countries, changing the future of childbirth

By 2100, millions more twins will be born in India — but at what cost?
As fertility rates fall in rich nations, older mothers and natural conception are set to drive a twin boom in low-income countries, changing the future of childbirth