Adaptive Fast-Slow Large Language Model Framework for Multidimensional Classification of Prenatal Ultrasound Reports: Comparative Study

Wei Zhong   ¹ , MD ;   Huihui Yan   ² , MD ;   Yifan Liu   ² , MD ;   Yan Liu   ² , MD ;   Kai Yang   ¹ , PhD ;   Huimin Gao   ¹ , MD ;   Zhengyang Yao   ² , MD ;   Wenjing Hao   ² , MD ;   Yousheng Yan   ^{1 *} , MD ;   Chenghong Yin   ^{3 *} , MD

¹ Department of Medical Genetics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University. Beijing Maternal and Child Health Care Hospital, Beijing, China

² Department of Prenatal Diagnosis Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University. Beijing Maternal and Child Health Care Hospital, Beijing, China

³ Department of Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University. Beijing Maternal and Child Health Care Hospital, Beijing, China

*these authors contributed equally