What do I do? Is he cheating ?

Everything seem so perfect between me and my bf then he stared calling and texting less then I found out I was pregnant he didn’t really seem to care I haven’t seen him in almost two weeks he keep blowing me off yesterday he said he couldn’t cause he was visiting family then today he said he couldn’t cause his grandma died and he can’t see me til Thursday tbh ion want to be cold but I don’t believe that w/ me being young I can’t tell anyone about the baby just yet and so hard deal with on my own with the hormones and the symptoms in general I just want curl up in a ball and cry the one person I want the most can’t make time for me when I’m in his arms everything seems alright and ion wanna stress to much and lose the baby