"Zhuanbao"（ 转胞）

as the disease name

was first seen in the medical literature of Han Dynasty Tomb in Laoguanshan

and its symptoms were first seen in Golden Chamber Synopsis（ 《金匮要略》）. Based on the existing literature

the disease name

etiology and pathogenesis

and the origin of the treatment were sorted out

and the multiple meanings of "bao"（ 胞） in Inner Canon of Yellow Emporor（ 《黄帝内经》） were clearly summarized. In the Eastern Han and Western Han Dynasties

"zhuanbao"referred to gynaecological diseases; during the Jin

Sui and Tang Dynasties

"zhuanbao"meant internal medical syndrome

and "bao"referred to bladder. Since Song Dynasty

"zhuanbao"or"bao zhuan"（ 胞转） was often replaced by"zhuanpao"（ 转脬） or"paozhuan"（ 脬转）; In Jin and Yuan Dynasty

"zhuanbao"was divide into deficiency and excess

belonging to internal medical syndrome

but often seen during pregnancy in woman. In Qing Dynasty

"zhuanbao"was classified and categorized. One was classified into pregnancy disease

and the other was classified as internal medical disease

but commonly seen in women during pregnancy.