Jataka Tattva · by Mahadeva
Chapter 3 · Body, Nature, Health: the 1st House
प्रकीर्णतत्त्वम् : अङ्गविचारः (प्रथमविवेकः)
अंशे केतौ मन्दज्ञदृष्टे षण्ढः ।
Take the navamsha (one-ninth part of a sign) of the atmakaraka (the planet that stands for the self). Say Ketu is in it. Say Saturn and Mercury aspect it. Then the person may be impotent.
Classical view, not medical advice.
मन्दाच्छौ शुभदृग्घीनौ रन्ध्रगौ षण्ढः ।
Say Saturn and Venus are in the 8th house. Say no good planets aspect them. Then the person may be impotent.
षष्ठान्त्ये नीचगे मन्दे षण्ढः ।
Say Saturn is in the 6th or 12th house and is in its nicha (low point). Then the person may be impotent.
गाहौ शुक्रेऽर्कजे वोच्चगे कर्केऽर्के मेषे चन्द्रे वीर्यच्युतिः ।
Say [unclear word], and Venus or Saturn, are in their uchcha (high point). Say the Sun is in Cancer and the Moon is in Aries. Then the person may…