BACKGROUND AND OBJECTIVE: One of the sustainable development goals is universal access to reproductive services by 2030. Reproductive disorders is an important neglected component in reproductive health. Some factors, like type of nutrition effects on fertility. The aim of this study is to determine role of nutrition in female and male fertility.

METHODS: This study is a narrative review article. Search was conducted by using relevant keywords such as: infertility, fertility, nutrition and diet. Results were limited to 39 articles published in Iranian and international journals in SID, Magiran, Scopus, PubMed, Google Scholar, Elsevier databases, in the period 2011-2016. Also nutrition guidelines for infertile couples in scientific nutritional and university sites was used.

FINDINGS: The results showed that unsaturated fatty acids, fruits and vegetables and low-fat dairy, for improving women's reproductive recommended. Factors that reduce male fertility include: high consumption of red and processed meats, high intake of saturated fat, low intake of unsaturated fats, antioxidants, fruits and vegetables.

CONCLUSION: Following a balanced diet is one of promising and valuable interventions in maintaining reproductive health. However, Identification of a suitable fertility diet is "Important achievement" in the management of fertility