Denominator in MMR-
Ans. is 'a' i.e., 1000 live birthMaternal mortality ratio (MMR)* Maternal mortality ratio is defined as total number of maternal deaths i.e. deaths due to complications of child birth, pregnancy or within 42 days of delivery from 'puerperal causes* in the area during a given year Per 1000 or (100,000) live births in the same area during the same year.MMR =Total no. of female death due to complications of pregnancy, childbirth or with 42 days of delivery from puerperal causes in an area during a given year--------------------------------------------------------------Total no. of live birth in the same area & yearx 1000 (or 100,000)* Maternal death occuring after 42 days (7 weeks) of birth is not included in maternal mortality ratio.* It is called late maternal death -> Death of women from direct or indirect obstetric causes more than 42 days but less than 1 year after termination of pregnancy.Maternal mortality rate* It is the number of maternal death in a given period per 1000 (or 100,000) women of reproductive age during same period.Maternal mortality rate =Total no. of female death due to complication of pregnancy, childbirth or within 42 days of delivery------------------------------------------Total no. of women of reproductive agex 1000 (or 100,000)Therefore* Denominator in maternal mortality ratio -> 1000 live birth (or 100,000 live birth)* Denominator in maternal mortality rate 1000 (or 100,000) women of reproductive age.
1000 live birth
1000 women of reproductive age
Mid year population
Mid year women population
Obstetrics, Paediatrics and Geriatrics