Incurable Impotency in Astrological View.

For successful wedded life need good healthy. Under the concept of healthy, we discuss both parties that is to say bride and bride groom healthy. If one party illness, they cannot spend a wedded life. It is like presenting elephant to beggar. It is a useless thing.
Under the Astrological view, we consider healthy before matching horoscope. Every astrologer must critically analyze the impotency. There are several yogas or combination regarding impotency.
01.   Saturn is in the second from Rahu.
02.   Mercury is in the eighth from Rahu.
03.   The moon is in the twelfth from Rahu.
04.   Both Saturn and mercury in the eighth house and aspect by Rahu.
05.   Two malefic in both side to moon and also Ketu and mercury is in the eighth house.
06.   Mercury is in eighth house.
07.   Mercury in the seventh house and lord of seventh house is in same house.
08.   Lord of first house, Saturn is aspect by Mars and Ketu.
09.   Rahu and Saturn are in same house.
10.   Lord of eighth is in any house between malefic and also not aspect by Jupiter.
11.   Rahu, Saturn and the moon are connected by aspects.