We continued the webinar series of Endometriosis and Adenomyosis Society under the title of “Endometriosis and Adverse Perinatal Outcomes: An Update 2021” on the evening of April 27, 2021. In the webinar moderated by Levent Senturk, MD and Ibrahim Bildirici, MD, Recai Pabuccu, MD and Baris Mulayim, MD contributed the webinar with their presentations. We would like to express our gratitude to you, our esteemed participants, for the intense interest you have shown in our webinar, where many questions were answered by including interactive discussion sessions.