IRCT20230514058181N1 IRCT 2023-05-24 Mehr infertility treatment center Investigation the effect of modified diet on semen factors in men with idiopathic infertility Investigation the effect of modified diet on semen factors in men with idiopathic infertility: A randomized clinical trial 2023-06-01 anticipated 66 Complete https://irct.ir/trial/70149 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Balanced block randomization method is used to randomly assign participants into two groups. At first, the randomization sequence based on blocks of 2 and 4 is randomly determined using the software codes of RAS: Random Allocation Software. Then, the eligible people included in the study will be assigned to one of the two groups based on the randomization sequence. N/A Idiopathic oligoasthenoteratozoospermia. Intervention 1: Intervention group: For the intervention group, a fertility-improving diet is designed according to the person's height and weight, with an emphasis on effective foods such as saffron, omega-3, and consuming more vegetable proteins than animal proteins within the permissible limits set for each person. Intervention 2: Control group: The amount of calories and the percentage of macronutrients are determined based on the Mifflin formula according to their height, weight and physical activity and the range of acceptable distribution of macronutrients for each person. 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 There is no further information