en Obstetrics and Gynecology Care Obstetrics and Gynecology Care مروری سیستماتيک Systematic Review <span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:10.0pt"><span cambria="" style="font-family:"><span style="color:#44546a">Aims:</span></span></span></b><span style="font-size:10.0pt"><span cambria="" style="font-family:"> Adolescent pregnancy is associated with adverse pregnancy outcomes, including preterm delivery, low birth weight, and perinatal death. Therefore, the purpose of this systematic review was to assess the effectiveness of prenatal clinics for adolescents in improving birth outcomes.</span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:10.0pt"><span cambria="" style="font-family:"><span style="color:#44546a">Information & Methods:</span></span></span></b> <span style="font-size:10.0pt"><span cambria="" style="font-family:">In this systematic review, electronic databases, including Scopus, the Cochrane Library, PubMed, Web of Science, and grey literature databases were searched with keywords related to mesh for published studies from January 1, 1990, to December 31, 2022, in English language. Inclusion criteria included clinical trials and cohort studies focused on prenatal care in adolescent pregnant women with at least one perinatal outcome. Evaluation of the quality of the studies was done using the GATE tool.</span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:10.0pt"><span cambria="" style="font-family:"><span style="color:#44546a">Findings:</span></span></span></b><span style="font-size:10.0pt"><span cambria="" style="font-family:"> Out of 3261 studies found in the database, 8 studies were included in this systematic review. All included studies were cohorts</span></span> <span style="font-size:10.0pt"><span cambria="" style="font-family:">(retrospective, prospective, and mixed). </span></span><span style="font-size:10.0pt"><span cambria="" style="font-family:">These studies investigated the effectiveness of clinics for adolescents on outcomes such as premature birth, low birth weight, intrauterine growth restriction, instrumental delivery, cesarean delivery, and perinatal mortality. Most studies were conducted in high-income countries. </span></span><span style="font-size:10.0pt"><span cambria="" style="font-family:">7</span></span> <span style="font-size:10.0pt"><span cambria="" style="font-family:">of the</span></span> <span style="font-size:10.0pt"><span cambria="" style="font-family:">8 studies (87.5%) report preterm birth as an outcome.</span></span><span style="font-size:10.0pt"><span cambria="" style="font-family:"> Overall, 57.14% of studies showed an association between adolescent-specific prenatal clinic use and decreased preterm birth.</span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:10.0pt"><span cambria="" style="font-family:"><span style="color:#44546a">Conclusion:</span></span></span></b><span style="font-size:10.0pt"><span cambria="" style="font-family:"> The effectiveness of adolescent-specific prenatal clinics in improving birth outcomes is uncertain.</span></span> <span style="font-size:10.0pt"><span style="font-family:"Cambria",serif"></span></span></span></span></span><br> &nbsp; Prenatal Care,Special Clinic,Adolescents,Birth Outcomes,Systematic Review, 69 75 http://jccs.yums.ac.ir/browse.php?a_code=A-10-299-1&slc_lang=en&sid=1 S. Mohammadi 10031947532846004009 10031947532846004009 No Reproductive Health Promotion Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran Z.S. Pajohideh 10031947532846004010 10031947532846004010 No Department of Midwifery, Shoushtar Faculty of Medical Sciences, Shoushtar, Iran Z. Rabiei 10031947532846004011 10031947532846004011 Yes Department of Midwifery, School of Nursing and Midwifery, Bushehr University of Medical Sciences, Bushehr, Iran