5. FACTORS PREDICTING PREGNANCY OUTCOMES IN PATIENTS UNDERGOING DAY-5 FROZEN EMBRYO TRANSFER CULTURED WITH THE TIMELAPSE SYSTEM AT HANOI OBSTETRICS AND GYNECOLOGY HOSPITAL. YHCĐ [Internet]. 2025 Mar. 24 [cited 2026 Sept. 9];66(CĐ2-NCKH). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/2188