<prompt> In defining General Feility Rate, the denominator isPopulation between 15 to 49 years of ageWomen between 15 to 49 years of ageMid year populationLive bihs  <response>: General feility rate is the number of live bihs per 1000 women in the reproductive are group 15-44 or 49 years in a given year GFR Number of live bih in an area during the year X 1000 mid year female population age group 15-44 or 49 in the same area in same year Reference : Park;s textbook of preventive and social medicine, 23rd edition, Page no: 488 