IRCT20120913010826N29 IRCT 2018-04-29 Yazd University of Medical Sciences The effect of vitamin D supplementation in people with sperm motility disorder The effect of vitamin D supplementation on androgen hormones, sperm motility, and morphology in patients with sperm motility disorder and vitamin D deficiency. 2017-10-16 anticipated 44 Complete https://irct.ir/trial/11257 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: Using the randomized code obtained from the SPSS, Blinding description: Prescribing supplement and placebo by a researcher without knowledge of its type, as well as taking it by the participants in the study without their knowledge. In order to minimize bias in the intervention, one researcher randomly assigns random access to the patient in a randomized manner, without any knowledge of the patient's condition, and the other investigator who is associated with the patient, will place that person in the designated group. N/A asthenozoospermia. Intervention 1: In the intervention group, a dose of 50,000 units of vitamin D was administered for 12 weeks (one perl of vitamin D per week for 8 weeks and only one perl of vitamin d administered as a maintenance dose in the last 4 weeks). Intervention 2: In the control group, placebo was administered for 12 weeks (one placebo per week for 8 weeks and only one placebo administered in the last 4 weeks). 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 decision will be made Depending on the case and the request of other researchers,