Jataka Tattva · by Mahadeva
Chapter 3 · Body, Nature, Health: the 1st House
प्रकीर्णतत्त्वम् : अङ्गविचारः (प्रथमविवेकः)
षष्ठान्त्ये जलर्क्षे मन्दे शुभदृग्घीने षण्ढः ।
Say Saturn is in a water sign in the 6th or 12th house, with no aspect from good planets. Then the person may be impotent.
Classical view, not medical advice.
चन्द्रार्कौ वा मन्दज्ञौ वा भौमार्कौ युग्मौजर्क्षगावन्योन्यं पश्यतः षण्ढः ।
Say two planets are in an even and an odd sign. They are the Moon and Sun, or Saturn and Mercury, or Mars and Sun. Say they aspect each other. Then…
ओजर्क्षाङ्गे समर्क्षगभौमेक्षितौ षण्ढः ।
Say the 1st house is an odd sign. Mars, in an even sign, aspects it. Then the person may be impotent.
चन्द्रज्ञौ युग्मौजर्क्षगौ भौमेक्षितौ षण्ढः ।
Say the Moon is in an even sign and Mercury in an odd sign. Say Mars aspects them. Then the person may be impotent.