IRCT2017083131117N4 IRCT 2017-10-27 vice chancellor for research of Mazandaran University of Medical Sciences Effect of education on women's knowledge, attitude and decision making toward childbearing - Effect of Trans- theoretical model-based education on reproductive age women's knowledge, attitude and decision making toward childbearing 2017-10-07 anticipated 152 Complete https://irct.ir/trial/24545 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Used, Assignment: Parallel, Purpose: Prevention, Other design features: table of random number will be used. N/A childbearing. Intervention 1: The control group: This group will receive common education for promoting childbearing on the basis of new population policies in accordance with the Ministry of Health's instructions from the relevant center along with the intervention group. Intervention 2: The intervention group: This group will receive training in accordance with their behavioral stages: 2 sessions of the precontemplation group (with topics: importance of childbearing in sociology, awareness of childbearing and the consequences of delay, discontinuation of contraceptive methods, healthy lifestyle before pregnancy), 2 sessions of the contemplation group (with topics: Interruption of contraceptive methods, healthy lifestyle, preconception counseling), and 1 session of the preparation group (with topics preconception counseling, embryo developmental stages, maternal health and discussion of teratogens, pregnancy symptoms and how to deal with it, importance of embryo screening during pregnancy, proper pregnancy care for childbearing), with various method such as lecture with slide show, question and answer, video, small group meetings. Each session will be 60 minutes long. At the end of each session a pamphlet summarizing its educational materials session will provide. After the completion of the training program, text messages will be provided on a weekly basis. In case of need, the test group can receive telephone or textual advice.