1)Before knowing the effect of Saturn in 5th house first we have to know about 5th house and Saturn.
2)5th house belongs to Children and when Saturn placed in 5th house it is consider as Putra Dosh. Because Saturn is most Malefic planet among all. So we have to Judge Saturn carefully. If Saturn is debilitated or in enemy sign or afflicted by any other malefic then it is indicating serious problem regarding child birth. But if saturn in own sign or excellent or in beneficial influence then doesn’t give Putra Dosh. 5th house Saturn is also indicating native doesn’t get happiness from children. There may be problem between native and children. Saturn in 5th house also not good regarding Child, Child may be suffering from sorrow. If Saturn is well placed then evil effect may reduced.
3)5th house belongs to mentality of Native. When Saturn occupy 5th House native may be evil or cruel mentality. Saturn is a airy planet so native may be fickle or unstable mentality. Saturn rules divide niti so native may be dividing mentality with downward glance. Means native may be very down thinking or mentality. Native may be quarrelsome. If Saturn is well placed then evil effect may reduced and native may be practical, easily or shameless to meet anybody, may be disciplined or kind.
4)5th House belongs to intelligence when Saturn is placed in 5th House it is consider native may be devoid from intelligence or may be fool. If Saturn is well placed then evil effect may reduced. Actually Saturn belongs to laziness when Saturn occupy 5th House its effect intelligence of Native because native may take time to response.
5)5th House belongs to learnings or Vidya when Saturn occupy 5th house native may suffering in learning or get trouble in learning. If Saturn is well placed then native may be got any traditional Vidya such as astrology.
6)5th House also belongs to abdomen when Saturn occupy 5th House it may be give abdomen problem specially Vata Dosh.
7)5th House Saturn also is indicating native may be in trouble regarding earnings(due to aspects in 11th house and 2nd house) as due to its natural Malefic quality.
8)5th House Saturn is also indicating trouble in family happiness(aspects on 7th,11th and 2nd house). Native may not be good relation with friends and relatives. All the results may be improved if Saturn is well placed.
9)5th House is 9th from 9th house so it is Bhavat Bhavam for 9th house . 9th house belongs to fortunes when Saturn placed in 5th House native Fortunes make always unstable doesn’t get steady(fixed) fortune.
10)5th House belongs to Your faith when saturn occupy 5th House native may be follower of old traditional rituals.