Hi An 24 Yrs Old Married.. I Have Got Irregular

Hi an 24 yrs old married.. i have got irregular periods and trying to get conceived. from past three months i got my periods on the scheduled date. 22nd April 2015 id the due date to get my periods.

But i feel very dizzy , sleepy these days ... i do not frequent urination during the day but have it during thr night times.

Curious to know if these are the symptoms of me being pregnant...