<prompt> Denominator in general feility rate isAll women between 15-45 years of ageAll married women between 15-45 years of ageTotal number of live bihsTotal number of all bihs  <response>: General Feility Rate This measure addresses the crude nature of the Crude Bih Rate by focusing on that section of the population at risk of having bihs - Women aged 15-45years Reference : Park;s textbook of preventive and social medicine, 23rd edition 