Accumulation of Vitrified Embryos Followed by Frozen Embryo Transfer in Poor Ovarian Responders According to Bologna Criteria

Hwang Kwon^1*, Dong-Hee Choi¹, Eun-Kyung Kim², Eun-Ha Kim² and Seung-Eun Lee¹

¹Department of Obstetrics and Gynecology, Cha University, CHA Fertility Center of Bundang CHA General Hospital, Seongnam, Korea

²CHA Fertility Center of Bundang CHA General Hospital, Cha University, Seongnam, Korea

^*Corresponding Author: Hwang Kwon, College of Medicine, CHA University and CHA Fertility Center of Bundang CHA General Hospital, 351 Yatap-dong, Bundang-gu, Seongnam, Gyeonggi-do, 463-712, Korea, Tel: +82-31-780-5871 Email: