World Journal of Peri& Neonatology (WJPN) is a peer-reviewed and free-access journal founded in 2017, by Mother and Newborn Health Care Center, Yazd, Iran. The Journal publishes articles in English across on all aspects of preconceptional, perinatal, and postpartum periods; and of fetuses and newborn infants during and beyond their initial hospital stay. The Editorial Board is comprised of an Editor-in-Chief and Associate Editors, highly qualified scientists of different institutions across Iran or overseas.The WJPN audience includes specialist in obstetrics, neonatology, perinatology, maternal/fetal medicine, and neonatal and perinatal nurses. It publishes peer-reviewed clinical research articles, review or update articles, case reports, commentaries,editorials and letters to the Editor. However, other types of articles may be included depending on the interest of the Journal or the need to publish relevant subject matters not suitable for the categories above.