IRCT20110606006709N21 IRCT 2020-01-15 Tabriz University of Medical Sciences The Effect of evening primrose oil on Fertility outcomes in the women undergoing IVF treatment. Study of the effect of evening primrose oil supplementation on fertility outcomes in the women undergoing IVF treatment: A triple blind randomized controlled trial. 2019-12-07 anticipated 84 Complete https://irct.ir/trial/41685 interventional Randomization: Randomized, Blinding: Triple blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: Participants will be randomly assigned into two groups of recipients of evening primrose oil supplementation and placebo using random blocking method and blocks of size 4 and 6 using Random Allocation Software (RAS) with a 1: 1 assignment ratio by the person not involved in the research. To conceal the allocation, opaque envelopes with sample numbers will be provided and numbered. Preparation of envelopes and sequence generation will be done by a person not involved in the research. In the first five days of the IVF menstrual cycle, envelope No. 1 will be given to the first eligible person, and this process will continue until the number of samples is completed, Blinding description: In this study, the drugs and the placebo will be prepared by the same pharmaceutical company in identical shape, color and smell. participants, researchers, medical staff (doctors, nurses, etc.) who are responsible for patient care, data collection officers and those who evaluate the outcome will not be informed about the drug type. 2-3 Infertility. Intervention 1: Intervention group: In this study, 1000 mg capsule Evening Primrose oil containing 13% Gamalinolenic acid and 72% Linileic acid will be prepared by pharmacists of Barij Essence Kashan and 3 capsules daily with food will be used for 2 weeks. Intervention 2: Control group: Passive Capsules, similar in appearance and color to the Primrose oil Capsule, will be prepared by pharmacists of Barij Essence Kashan and 3 capsules daily with food will be used for 2 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 After the completion of the project, the decision will be made