en Midwifery Orginal research <strong><em>Background:</em></strong> Gestational diabetes is one of the most common complications of pregnancy that has several effects on mother and baby.<br> <strong><em>Objectives: </em></strong>The aim of this study was to examine the prevalence as well as maternal and neonatal outcomes in women with gestational diabetes.<br> <strong><em>Methods:</em></strong> This descriptive comparative study was carried out on all pregnant women who underwent 75 g glucose test and referred to Ayatollah Mousavi Hospital in Zanjan for delivery from September to March 2018. Data was collected according to the client&#39;s biography obtained by the gynecologist and also the available evidence of gestational diabetes. Data was analyzed by SPSS 25 software.<br> <strong><em>Results</em></strong><strong>:</strong> The prevalence of gestational diabetes in the present study was 4.7%. The mean age in the group with gestational diabetes was 30.65&plusmn; 6.9 years, which was statistically significant compared to the mean age of healthy mothers (27.<span dir="RTL">93</span>&plusmn; <span dir="RTL">6</span>.4) (P= 0.01). There was a statistically significant difference in the type of delivery between the two groups (P<0.001) as the delivery method was cesarean section in 70.6% of patients with gestational diabetes. Evaluation of pregnancy and neonatal outcomes between the two groups in terms of the need for induction (15.8% vs. 47.4%), cases of episiotomy (22.8% vs. 43.9%), cesarean delivery (63.2% vs. 26.3%) and the need for hospitalization of the infant in NICU (26.3% vs. 7%) indicated a statistically significant difference (P= 0.01).<br> <strong><em>Conclusion:</em></strong> This study did not result in a significant difference in maternal and neonatal complications, except for the need for NICU hospitalization and delivery. prevalence, gestational diabetes, pregnancy complications, pregnancy outcomes 1 6 http://nmcjournal.zums.ac.ir/browse.php?a_code=A-10-33-7&slc_lang=en&sid=1 Fatemeh Bayat f.bayat680@gmail.com 10031947532846007361 10031947532846007361 No Ph.D student of reproductive health, Student Research Committee, Midwifery and Reproductive Health Research Center, School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences, Tehran, Iran Mina Mousavi m.mousavi@yahoo.com 10031947532846007362 10031947532846007362 No Student research committee, Zanjan University of Medical Sciences, Zanjan, iran zahra Moradi Zahra.moradi93@yahoo.com 10031947532846007363 10031947532846007363 No Student research committee, Zanjan University of Medical Sciences, Zanjan, iran Mahnaz Keshavarz Afshar m.keshavarzafshar@zums.ac.ir 10031947532846007364 10031947532846007364 No Instructor, Department of Midwifery, School of Nursing and Midwifery, Zanjan University of Medical Sciences, Zanjan, Iran Hadis Shahrahmani Hadis Shahrahmanii@gmail.com 10031947532846007365 10031947532846007365 No Ph.D student of reproductive health, Student Research Committee, Midwifery and Reproductive Health Research Center, School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences, Tehran, Iran parvin Mohebbi p.mohebbi11@gmail.com 10031947532846007366 10031947532846007366 Yes Instructor, Department of Midwifery, School of Nursing and Midwifery, Zanjan University of Medical Sciences, Zanjan, Iran