General Feility Rate : Number of live bih per 1000 women in the Reproductive age group in a year. Term Definition Net reproduction rate Total No. of girl children born to a female, taking into account their moality. Gross reproduction rate Total no. of girl children born to a woman if she experiences the current feility pattern throughout her reproductive span (15-44 or 49 years), assuming no moality Total marital feility rate Total no. of children that would be born to a married woman if she experiences the current feility pattern throughout her reproductive span Total feility rate Total no.of children born to each woman if she were to live to the end of her child-bearing years and give bih to children in alignment with the prevailing age-specific feility rates