Please help😩

Vania • 24 years old .. happily married to my best friend .... #TTC baby number 1 waiting patiently for 2 positive lines ..
My husband and I have been TTC I've taken Several home pregnancy test and they all come out negative I am 7 days late now last night I felt a really bad pain on my stomach like on my abdomen and a pressure I decided to go to the clinic. They took a iTunes test and it came out negative can I still be pregnant ? I been feeling bloated and cramps since last Friday 4/15/16 but nothingÂ