I don't know of anyone one whom have every been saved from sin by the Roman Catholic Church. there is only one who can forgive you of your sin. That is Jesus. First you must be a Christian and believe in Jesus as such. thereafter He can forgive you of any sin you have if you pray to Him and ask him. Once you receive the gift of Salvation from Christ you will be saved and once you die you will go to Heaven.
Yes if she is truly repentant, confesses these sins, and receives forgiveness. There is no past sin which will keep a person out of heaven after repentance and confession. The sin exists no more. That is why Jesus gave His priests the power to minister His forgiveness, telling them, "whose sins you forgive, they are forgiven them".
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I don't believe in the Catholic Faith, but this I do know; if the person who had the abortions repented of them and asked God to forgive her, then she will go to heaven. Once a person is forgiven by God, God remembers the sin know more. Satan, and other people throw our past mistakes back into our faces and try to make us feel that we have not been forgiven, but it says in John chapter 8 that whoever the Son (Christ) sets free from sin is free indeed, and they are free from the guilt of that past sin.
Jesus Christ died one time to pay the penalty for all of our sin. Past, Present and Future. His blood cleanses us from any and all sin. It is His will that not one single soul should perish.
Isn't it awesome to know that through the blood of Christ Jesus, we can approach God Almighty and appear to Him as if we had never sinned. Pure, as white as snow. God also promises us that He will choose to forget all our sin, casting it into the deepest depths of the sea. He will do as He promises, if we simply acknowledge His Son as Lord and Savior.
What an awesome and Holy God we serve !!
P.S. Satan will try to deceive you into thinking that you are much too sinful to be forgiven. Don't entertain those thoughts, but immediately cast them aside and praise Christ Jesus for His infinite love for each and everyone of us.
God Bless You...Peace.