Chang Min-ju, founder of a business that delivers tonic foods to convalescing new moms (and who is also granddaughter of the famous Sino-Japanese doctor Chuang Shu-chi) explains: After birth, the mother's viscera are loose, and if she absorbs too much water this will cause the viscera to collapse downward, creating an extrusion of the stomach, so-called "water weight gain."
開創產婦坐月子料理外送，也是聞名中日的醫學博士莊淑旂孫女的章敏如解釋，產後產婦的身體內臟鬆垮，一旦吸收過多水份，就會造成內臟下垂，小腹突出的水肥現象。