妇人有下体冰冷，非火不暖。交感之际，阴中绝无温热之气。人以为天分之薄也，谁知是胞胎寒之极乎！夫寒
冰之地，不生草木；重阴之渊，不长鱼龙。今胞胎既寒，何能受孕。虽男子鼓勇力战，其精甚热，直射于子宫之内，
而寒冰之气相遇，亦不过茹之于暂，而不能不吐之于久也，夫犹是人也。此妇之胞胎，何以寒凉至此，岂非天分之薄
乎？非也！盖胞胎居于心肾之间，上系于心，而下系于肾，胞胎之寒凉，乃心肾二火之衰微也。故治胞胎者，必须补
心肾二火而后可。
方用温胞饮。
白术（一两，土炒） 巴戟（一两，盐水浸） 人参（三钱） 杜仲（三钱，炒黑） 菟丝子（三钱，酒浸炒） 山
药（三钱，炒） 芡实（三钱，炒） 肉桂（二钱，去粗，研） 附子（三分，制） 补骨脂（二钱，盐水炒）
水煎服。一月而胞胎热。此方之妙，补心而即补肾，温肾而即温心。心肾之气旺，则心肾之火自生。心肾之火
生，则胞胎之寒自散。原因胞胎之寒以至茹而即吐，而今胞胎自热矣，尚有施而不受者乎！若改汤为丸，朝夕吞服，
尤能摄精，断不至有伯道无儿之叹也。
眉批∶今之种子者多喜服热药，不知此方特为胞胎寒者设。若胞胎有热，则不宜服，审之。
歌括∶妇人下部冷似冰，胞胎寒极孕难成。
寒泉欲转成暖冰，须得阳春热气腾。
温胞巴戟与杜仲，参术山药芡实增。
菟丝桂附补骨脂，改汤为丸亦见功。
Women presenting with coldness in the lower body, which cannot be warmed without fire. During sexual intercourse, there is absolutely no warm qi within the yin (vagina). People assume this is due to thin innate endowment (congenital weakness), but who would know that it is actually extreme coldness of the Bao Tiao (uterus)! In lands of ice and snow, grass and trees do not grow; in abysses of heavy yin, fish and dragons do not thrive. Now that the Bao Tiao is cold, how can conception occur? Even if a man gathers courage and fights vigorously, his semen being very hot, shooting directly into the interior of the Zi Gong (uterus), when meeting the icy-cold qi, it can only be retained temporarily, but inevitably expelled over time, just like a person. How did this woman's Bao Tiao become so cold? Is it truly due to thin innate endowment? No! The Bao Tiao resides between the Xin (Heart) and Shen (Kidney), connected superiorly to the Xin and inferiorly to the Shen. The coldness of the Bao Tiao stems from the decline and weakness of the Fire of both the Xin and the Shen. Therefore, treating the Bao Tiao requires first tonifying the Fire of the Xin and Shen.
The formula used is Wen Bao Yin (Warming the Uterus Decoction).
Bai Zhu (Atractylodis Rhizoma, 1 liang, stir-fried with soil), Ba Ji Tian (Morindae Officinalis Radix, 1 liang, soaked in salt water), Ren Shen (Ginseng Radix, 3 qian), Du Zhong (Eucommiae Cortex, 3 qian, stir-fried until black), Tu Si Zi (Cuscutae Semen, 3 qian, soaked in wine and stir-fried), Shan Yao (Dioscoreae Rhizoma, 3 qian, stir-fried), Qian Shi (Euryales Semen, 3 qian, stir-fried), Rou Gui (Cinnamomi Cortex, 2 qian, coarse bark removed, ground), Fu Zi (Aconiti Lateralis Radix Praeparata, 3 fen, processed), Bu Gu Zhi (Psoraleae Fructus, 2 qian, stir-fried with salt water).
Decoct in water and take orally. After one month, the Bao Tiao will become warm. The wonder of this formula lies in tonifying the Xin while simultaneously tonifying the Shen, and warming the Shen while simultaneously warming the Xin. When the Qi of the Xin and Shen prospers, the Fire of the Xin and Shen naturally arises. When the Fire of the Xin and Shen arises, the coldness of the Bao Tiao naturally dissipates. Originally, due to the coldness of the Bao Tiao, semen was retained briefly and then expelled; now that the Bao Tiao generates its own heat, is there still any case where semen is given but not received? If the decoction is changed into pills and taken morning and evening, it can further secure essence, ensuring one will never sigh about having no heirs (like Bo Dao).
Marginal Note: Those seeking offspring nowadays often prefer taking hot-natured medicines, unaware that this formula is specifically designed for those with cold Bao Tiao. If the Bao Tiao has heat, it is unsuitable for use; please examine carefully.
Verse:
Women's lower parts are cold as ice,
Extreme cold in the uterus makes conception hard to achieve.
To turn cold springs into warm waters,
One must rely on the rising heat of spring sunshine.
To warm the uterus, use Ba Ji Tian and Du Zhong,
Add Ren Shen, Bai Zhu, Shan Yao, and Qian Shi to enhance efficacy.
With Tu Si Zi, Rou Gui, Fu Zi, and Bu Gu Zhi,
Changing decoction to pills also yields results.