倒经倒经指女性在月经来潮前1~2天,或者正是经期时,或者于行经后出现周期性有规律的鼻出血或吐血的现象,多伴有月经量少或无月经。由于这种鼻出血或吐血的现象是随着月经周期有规律地出现,又常常引起月经量少或不行经,似乎是月经向上逆行,因此中医将其称为倒经。现代医学认为,鼻黏膜与女性的生殖器官两者之 Reversed by the inverted means female 1 to 2 days before the menstrual cramps, or it is menstruation, or after menstrual periodic irregular bleeding or vomiting, often accompanied by less or no menstruation. Because of this phenomenon of nosebleeds or vomiting blood is regularly appear with the menstrual cycle, and often lead to less or no menstruation, it seems that the retrograde menstruation, so it will be referred to as the Chinese medicine backwards. Modern medicine, nasal mucosa and female genital organs both