My 22 years old daughter got herself impregnated by a 64 years old loser. I don't know what to do.?

As horrible as it may sound, I urge her to get an abortion before its too late. She didn't listen and called me a murderer. The man who did that to her has left as soon as he learned the news. He said he couldn't possibly be a father at his age and blablabla. My daughter doesn't realize that she can't take care of a baby and that it's not my responsibility to do so for her. I know she count on me to take care of the baby, but I won't because I'm passed this age and I have other responsibilities in my life. I thought about calling social services, but I'm not sure if it's too soon. HELP!