Possibly they are, 'Astrological Combinations for impotency in a boy's horoscope'. I invite a discussion among you experts, to agree/ disagree that my findings to be correct/wrong:
1. Saturn occupying his debilitation sign in the 6th or 12 th house (This is possible only if Lagna is Scorpio or Taurus);
2. Saturn in the 6th or 12th house in a watery sign not in aspect by benefics;
3. Saturn and Venus occupy the 8th or the 10th housefrom the Ascendant devoid of benefic aspects;
4. Saturn occupies the sixth or the eighth house from Venus;
5. Saturn, Moon or Mars situated in even signs and Sun and Mercury in odd signs aspect each other ( I found this in 3 horoscopes and still they are to parent a child);
6. Moon and Meercury placed in even and odd sign respectively in aspect by Mars.