Could I be pregnant??

[XxFran]

Hello

I came off the depo start of January this year and have irregular periods raging between 28-37 day cycle since my last little period was the 23rd of June and I should have been due on the 1st of July but I haven’t I am now experiencing sore tingly breast change in my cervical discharge to milky and slight cramping, nausea and fatigue, headaches took a pregnancy test on the 21st when myperiod should of started but it was negative. Am I pregnant? Thanks