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Natural contraception leaves open the chance that life may begin due to some unforeseen occurrence like out of monthly cycle an egg was released that could be at the right place at the right time. Artificial contraception involves the woman or man taking direct action to prevent the occurrence of pregnancy at which point sexual union becomes a selfish act. The Church also says that artificial contraception is morally wrong, because each and every sex act can occur only between husband and wife and must be directed toward two ends: love and life, that is, the intimate unity between the man and woman (love) and possibly procreating another human being (life). Conception and pregnancy donβt have to occur each time, but no man-made barriers should prevent what God may intend to happen.