IRCT20191229045929N1 IRCT 2020-06-15 Shahid Beheshti University of Medical Sciences The effect of mothers' educational intervention on reproductive health of adolescent girls The effect of mothers' educational intervention on reproductive health of adolescent girls 2020-01-21 anticipated 100 Complete https://irct.ir/trial/44577 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive, Randomization description: The random allocation method is using a quadruple block. According to the blocks, there are six states under ABBA 6-, 5- ABAB, 4- BAAB, BABA 3-, BBAA 2-, 1- AABB. Using random numbers table, obtained numbers are used for orders of blocks. Then 100 envelopes are prepared and numbered from 1 to 100 in the above order and the letters inside them are written. The word A or B is placed inside the envelopes. Individuals receive one of these envelopes according to arrange entrance to study and determine which group they belong to. N/A Maternal educational needs about reproductive health of adolescent girls. Intervention 1: Intervention group: using the educational package based on the results of qualitative study and literature review and educational needs of mothers regarding the reproductive health of adolescent girls (based on evidence), 6 training sessions (90-minute per week). The booklet that has been prepared in this regard is also available to mothers. Intervention 2: Control group: Based on the quadruple blocking of mothers who are in the Control group, no action is taken for this group. Only after the study, for ethical considerations, adolescent reproductive health education booklet given to the control group. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is The study has not started yet and Participants did not receive written consent that the questionnaires they completed were published.