Miscarriage Risk Prediction for Women With Polycystic Ovary Syndrome Who Achieve Clinical Pregnancy After Fresh Embryo Transfer: Multicenter Development, Geographic External Validation, and Prospective Temporal Validation Study

Juncheng Tong   ^{1, 2} , PhD ;   Yingying Zhang   ³ , MD ;   Yanhui Liu   ^{2, 4} , PhD ;   Lifang Liu   ⁴ , MSc ;   Xiaoteng Shang   ⁵ , MD ;   Fanggui Wu   ⁴ , BSc ;   Haoxuan Guo   ⁶ , BSc ;   Sibo Zhang   ⁶ , MSc ;   Kai Zhao   ⁷ , MD ;   Aifa Tang   ^{4, 8 *} ;   Mengyuan Qu   ^{4, 9 *}

¹ Department of Basic Medical Sciences, Shenzhen University, Shenzhen, Guangdong, China

² The Third Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong, China

³ Center for Reproductive Medicine, Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China

⁴ The Reproductive Medical Center, Shenzhen Luohu People's Hospital, The Third Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong, China

⁵ Shantou University Medical College, Shantou, Guangdong, China

⁶ School of Life Science and Technology, Wuhan Polytechnic University, Wuhan, Hubei, China

⁷ Institute of Reproductive Health, Huazhong University of Science and Technology, Wuhan, Hubei, China

⁸ Luohu Clinical Institute of Shantou University Medical College, Shantou University Medical College, Shenzhen, China

⁹ Luohu Clinical Institute of Shantou University Medical College, Shenzhen, China

*these authors contributed equally