Girlfriend lied About Being Pregnant

My girlfriend lied about being pregnant… why? because she said i offended her after we had an argument and knows i didn’t want kids so she used that as a revenge to hurt me. she made me believe she was pregnant threatening to leave me and raise the child alone, she confessed to me after i told her to send me the doctor’s report (it took a lot of hours until she finally gave up and confessed). her friend whom i spoke to said she was pregnant but later she told me her friend never knew about her lie (i didn’t believe that, i am very pissed at her friend for helping to manipulate me). i broke up with her immediately and she’s been begging me for mercy since yesterday, i haven’t responded to any of her texts after the break up. Let me clarify that she was having some pregnancy symptoms, she did pregnancy tests twice both were negative she decided to visit the gynecologist who later revealed to her she’s just very stressed and needed a lot of rest.