7 weeks pregnant mother

Question: my lmp was 25th aug,34 days cycle,sometime iregular,considering lmp im 7weeks,but my urine test was positive nly by 6th of sep,i took scan today yolk sac was nly 1.5mm doc said it is too small for 7 mnths or miscalculated weeks..can anyone help

1 Answers
Question
Answer: i answered already dear