Bih rate is
Bih rate = number of live bihs during the year X 1000/ estimated mid year population. Unsatisfactory measure of feility because the total population is not exposed to child bearing. Reference : Park&;s textbook of preventive and social medicine, 23rd edition, pg no: 488
Live bih X 1000\/ mid yr. Population
Bih X 1000\/ mid yr population
Live bih X 10000\/ mid yr. Population
Live bih X 10000\/Population of reproductive age group (15-45)
Demography and family planning