Can infants who died in abortion go to heaven?

I need a priest to answer this please.
I have several questions here actually.

My mom had an abortion about 30 years ago. And she had regretted it months later and went to confession.
Now at old age her regret and guilt are back and she is in pain.

So my first question is, what can she do for that guilt? Should she confess again? I told her her sins are already forgiven but it’s not enough for her.

Second question. Can infants who died in abortion go to heaven? Can any baby who isn’t baptized go to heaven?

Her baby was 8 weeks old. If it was in heaven, is it written in scripture?

Thank you.

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Recommended Reading:

What can I tell my friend who fears confessing the sin of abortion?
How is the excommunication lifted from having had an abortion?
What’s the point of the souls of aborted children?
The souls of Aborted & Miscarried Babies

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