(2) Actual sin is sub-divided into greater sins, called mortal, and lesser sins, called venial. Q. 275. In how many ways may actual sin be committed? A. Actual sin may be committed in two ways ...

As a result, the use of contraception is not to be considered gravely sinful matter and, therefore, using contraceptives is not a mortal sin. In my opinion, however, the problem should be dealt ...