The BBC's Geeta Pandey in Port Blair says refugees being brought to the capital are being kept in school buildings, which have been turned into relief centres.

BBC: NEWS | South Asia | Fears rise for Andaman thousands

But "it is not absolutely a cause for alarm that if your child is born prematurely, something terrible is going to happen to it", said Dr Geeta Swamy of Duke University Medical Center, who carried out the research.

BBC: Long-term risk of premature birth

At the clinic, run by Dr. Geeta Shroff, a former obstetrician and pediatrician who admits she is self taught in the practice of stem cell medicine, Cash received embryonic stem cell injections for a disorder that resembles Down syndrome and is caused by a missing part of his X chromosome.

FORBES: Embryonic Stem Cells an Undying Lure for the Ill, CNN Doc Shows