Hiii i m confused about my week of pregnancy my lmp was 6 july & beta hcg was done on 18 Aug it shows 2 week pregnancy & had 2 sonography till 22 Aug no sac was visible. I will visit doc on 14 Sept & she will again suggest sonography i m afraid of anything will visible or not. So plzzz anyone can help be to calculate how weeks i m pregnant. Help me plzzzz