Fertility Rates General Fertility Rate = __ number of live births __ )( 1oo O--·-----------------midyear population of women, 15-44 yea~s of age Morbidity Rates· --__.,, f number of new cases of disease Incidence Rate = _ _c:eveloplng from a period of time population at risk of developing the disease Prevalence Rate= number of old and new cases of a disease _-,. f ----.-------------------------populanon examined Mortality R. tes Crude Death Rate = number of deaths ----······ x 1o OO midyear population number of deaths in a Specific Mortality Rate _ specified group----·--------,c 1000 midyear population of the same specified group cause-of-Death Rate= Infant Mortality Rate= number of deaths rrorn a specified cause ________________.. midyear population deaths under one year of a Ge-----­··----------------number of live births number of deaths due-to pregoan GY delivery and puerperlum " 1oo O Maternal Mortality Rate =---·-·-------------number of live births 