The 21^st seminar was held, on 25 June 2022 at Phnom Penh Hotel, under the topic “Improving on Maternal and Newborn Health” and honorably presided over by Lok Chamteav Prof. Tann Vouch Chheng, Secretary of State of Ministry of Health and SCGO Honorary chairman. The main purpose of symposium was to promote Gynecology and Obstetrics. It is good opportunity that community through enhancing the knowledge of 289 participants, who are the members of SCGO, that got sharing from International speakers and national speaker who had experience.