CD 44, no period yet and pregnancy symptoms

Me

Could I be expecting? My cycles are usually 27-36 days....well I’ve now hit my longest cycle of 44days. Symptoms I have experienced are nausea, vomiting, severe lower back pain for a week and decreased appetite. DH and I have been ttc for 6 years, and so I’m very hesitant to take a hpt because I’m afraid of seeing the results. Has anybody else experienced this?