Okay this is aprils calendar

Help !!!!

4/15/17-4/20/17 had my period

The green circles is when i was ovulation i had sex the 26th and 28th of April my next period isnt due till the 14th of may

But im having signs of a possible pregnancy.

5/2/17 felt super tired that i slept my day off away also had mild cramping

5/3/17 i normally pee 3 times a day but this day i peed every hour or every other hour

5/4/17 felt so tired that i could not wake up and the nauseated feeling came along in the morning

And today felt winded and short of breath when i get up off the couch to do a small task

Any hope !!