A study to evaluate the relationship between smoking exposures taken during PNC visit and the child bih weight after delivery. This type of study is-
.a prospective coho study is one in which the outcome has not yet occurred at the time when investigation began.begin in the present and continue into the future.examples of this type of study,includes Framingham&;s hea study, DOLL AND HILLS prospective study on smoking and lung cancer. study of oral contraceptives and health by the royal college of general practioners. ref:park&;s textbook,ed 22,pg no 73
Case control
Prospective coho
Cross sectional
Clinical trial
Epidemiology