《黄帝内经·素问·上古天真论》
四十九岁时，任脉气血虚弱，太冲脉的气血也衰少了，天葵枯竭，月经断绝，所以形体衰老，失去了生育能力。
七七，任脉虚，太冲脉衰少，天癸竭，地道不通，故形坏而无子也。
At forty-nine years of age, the qi and blood of Ren Mai (the Conception Vessel) is deficient and the qi and blood of Tai Chong Mai (the Liver Luo Vessel) is also weak, Tian-gui is exhausted, menstrual periods stop, the body therefore ages, and the ability to give birth to children is lost.
<s>[INST] Translate the following passage from Classical Chinese to both modern Chinese and English, focusing on preserving the emotional tone in both translations: 七七，任脉虚，太冲脉衰少，天癸竭，地道不通，故形坏而无子也。 [/INST] Modern Chinese: 四十九岁时，任脉气血虚弱，太冲脉的气血也衰少了，天葵枯竭，月经断绝，所以形体衰老，失去了生育能力。 English: At forty-nine years of age, the qi and blood of Ren Mai (the Conception Vessel) is deficient and the qi and blood of Tai Chong Mai (the Liver Luo Vessel) is also weak, Tian-gui is exhausted, menstrual periods stop, the body therefore ages, and the ability to give birth to children is lost.</s>
Translate the following passage from Classical Chinese to both modern Chinese and English, focusing on preserving the emotional tone in both translations: 七七，任脉虚，太冲脉衰少，天癸竭，地道不通，故形坏而无子也。
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Modern Chinese: 四十九岁时，任脉气血虚弱，太冲脉的气血也衰少了，天葵枯竭，月经断绝，所以形体衰老，失去了生育能力。 English: At forty-nine years of age, the qi and blood of Ren Mai (the Conception Vessel) is deficient and the qi and blood of Tai Chong Mai (the Liver Luo Vessel) is also weak, Tian-gui is exhausted, menstrual periods stop, the body therefore ages, and the ability to give birth to children is lost.
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