The number of aboions performed divided by the number of live bihs in the same period is known as: (A) Aboion rate, (B) Aboion incidence, (C) Aboion prevalence, (D) Aboion ratio
Answer is D. Aboion ratio is calculated by dividing the number of aboions performed during a paicular time period by the number of live bihs over the same period Reference : Park&;s textbook of preventive and social medicine, 23rd edition, Page no: 489