is this cheating?

we have been dating for a little over 6 months he lied to me so many times he cheated a girls name in his phone to a guys name even though I recognized the number then lost night he told me he doesn't want a kid and he's not ready... was this baby a mistake in gonna own up to it I don't believe in abortion or doption... do you guys think he was cheating when he sent those? I have many more.... what should I do