Don't understand what is going on???

harly1626
Period started 12-10-16
Period ended 12-12-16
Approx ovulation 12-23-16
Period should have started 1-7-17
hpt negative 1-15-17
hpt negative 1-17-17
hpt negative 1-20-17
hpt negative 1-21-17
hpt negative 1-24-17
My period is always on time. I am never late. If anything maybe a day early. 
Dr. says if i miss a second period with still a negative hpt to come in. 
I am feeling tires more than usual, nauceous at odd times of the day, peeing more than usual. No spotting or bleeding. Bloated more than usual. 
Any help would be great. Tweaking of pics etc. thx ladies.