Objectives: Gestational diabetes is the most commonly diagnosed pregnancy complication during pregnancy. Gestational diabetes is associated with glucose intolerance that occurs during pregnancy. Understanding self-care educational barriers in diabetic patients, especially pregnant women, can be an effective step in promoting self-care education in these patients. Given the prevalence of diabetes, the present study is to review Self-care in pregnant women. Materials and Methods: This study was conducted as a review of the literature in the Persian and English databases of Google Scholars, Pubmed, SCOPUS, SID, Magiran, and with the keyword Diabetes, Salf car, Diabetes.Gestation, 1995 Until 2016. In this study, self-care was discussed in pregnant women who had diabetes during pregnancy. Findings: Diabetes is prevalent in Iran. Pregnancy in women increases the risk of developing diabetes in women and causes symptoms that require long-term care from the patient and the patient's family, even nurses, which endangers the health of the dying person. Mother and fetus. The findings showed that supporting diabetic mothers by families is crucial to the control of the disease, as well as helping the patient to accept the consequences of their illness. Discussion and Conclusion: So far, many studies have been conducted on gestational diabetes indicating that self-care in pregnant women has led to referrals to health centers and screening tests to prevent complications of gestational diabetes during pregnancy.