background: the study was developed in order to find a subset of potential factors, which affect birth distance pattern, regarding consideration on correlation of events of birth in a family and correlation within clusters/centers which other studies omit these correlations. methods: referring to documents that were registered for family in the health care centers on socio-economical zone, we c...

Objective : 1) To find out which type of contraceptive methods were practiced before the present pregnancy. 2) What were the reasons for discontinuation of contraceptive methods in case of acceptors? 3) What are the reasons for not accepting contraceptive methods? 4) What is the relation between contraceptive method acceptors and non-acceptors and birth order? 5) What is the role of birth order...