I think my due date wrong

Jessica

‪I think I’m gonna have my son sooner then my dr says.. Cuz my last period was Sep 5th I conception on the 19th of Sep and got a positive on the 3rd of Oct. I just don’t think there no way I conception on Sep 30th and got a positive on Oct 3rd..‬ Idk what do you ladies think? I’m a first time mom I’m just so excited 😩