I want to end my pregnancy

Hi all, I just need to vent and maybe ask for advice. I (26F) have been in a relationship with Marc (24M) since December 2023. In December 2024 we decided to break up, since I caught him lying and it turned out he was cheating with another girl. He also keeps prioritizing his girl best friend. (He did not cheat on me with her). Now 2 weeks into 2025, I discovered I am pregnant and I told him, but he does not care less. He does not want to be involved at all. Now I just feel so extremely lonely since I do not have anyone else in my life. What do I do?