<prompt> Birth rate is -Live birth1000 mid yr. populationBirth1000 mid yr populationLive birth10000 mid yr. populationLive birth10,000 population of reproductive age group 15-45  <response>: Fertility By fertility is meant the actual bearing of children.A womans reproductive period is roughly from 15 to 45 years - a period of 30 years.Measurement of fertility are :-Birth rate General fertility rate GFR General marital fertility rate GMFR Age specific fertility rate ASFR Age specific marital fertility rate ASMFR Total fertility rate TFR Total marital fertility rate TMFRGross reproduction rate GRRNet reproduction rate NRRChild woman ratioPregnancy rateAbortion rateAbortion ratioMarriage rateBirth rateBirth rate defined as the number of live birth per 1000 estimated mid yr. populations in a give yr.Birth rate Number of live birth during the year Estimated mid year population x 1000 