“5. FACTORS PREDICTING PREGNANCY OUTCOMES IN PATIENTS UNDERGOING DAY-5 FROZEN EMBRYO TRANSFER CULTURED WITH THE TIMELAPSE SYSTEM AT HANOI OBSTETRICS AND GYNECOLOGY HOSPITAL”. 2025. Vietnam Journal of Community Medicine 66 (CĐ2-NCKH). https://doi.org/10.52163/yhc.v66iCĐ2.2188.