Impossible to show stomach growth due to baby this early . Signs maybe . A positive test even that early is unlikely not impossible but not common . I see how badly you want a baby and this pregnancy . Wishing you best of luck . Timing is everything ❤️

No

If I'm pregnant it's only 4 weeks

Nobody can tell you any of that based on a belly pic. If your tests were negative then you're not pregnant or it's too early to tell