Question

during which month does the greatest increase in the length of a fetus occur?

Answer 1

I believe it should be the last month from 13 inches length -> 19-21 inches in length. Source: http://www.justmommies.com/articles/fetal_development.shtml

Answer 2

The 9'th month of the pregency, the month of the year has no consequence on the matter.

Answer 3

Thanks! :)