heartbroken....

Javeria
Ok so i was so sure that this was my month i was just so much sure😢im just 6dpo af is due 2/24 today is the cycle day 25th...,,went the doctor gyn due to some pain n stuff she wanted to do vaginal sono but after she told me no sign of pregnancy i dnt think that u concieved this month😢😢is this even possible? Please tell me i still have some chance trust me my heart aching😢