missed period

15/8/2019 meri period ki date, september mai date nai aayi, maine period miss hone ke 10 dine ke baad pregancy test kiya bt negative aaya, doc se pucha, doc ne recommend kiya ki sonography karo, bt sonography mai bhi kuch nai dikha, 10 days baad phir se urin test krne bola hai?... Kya muje pregancy hogi ya nai??? ??