TO EVALUATE IVF OUTCOME BETWEEN FLARE-UP VERSUS ANTAGONIST AMONG POOR RESPONDERS’ PROGNOSIS PATIENTS AND RELATED FACTORS AT NATIONAL CENTER FOR ASSISTED REPRODUCTIVE TECHNOLOGY. YHCĐ [Internet]. 2021 July 21 [cited 2026 Sept. 9];62(5 (2021). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/159