How have severe disability rate for premature infants changed between 1995 and 2006?

This became possible because of advancement in medical technologies and proper facilities and social awareness.

Explanation:

This has became possible for several reasons like, proper care during the first week of life, i.e. giving warmth to the baby, infection reduction, better transportation facility to the specialized units. Steroids and surfactant treatment. Reducing the gestation period has also helped in reducing the disability earlier it was 26 weeks and in 2006 it has been reduced to 23 weeks. Awareness camps were conducted to make people aware of pros and cons needed to maintained and also about the social care.

i believe the answer would be 'd'.

hope this !