IRREGULAR!!!

First month trying to conceive baby #2(our first is 7.5yrs old) I'm praying I'm able to get pregnant. My periods, fine one moment and irregular the next. All lasting 5 days.

April 2018-7th

May 2018-13th

June 2018-10th

July 2018-17th

Aug 2018-17th

Sep 2018-17th

Oct 2018-16th

Nov 2018-17th

Dec 2018-23rd

Jan 2019-24th

Feb 2019 -no period

Mar 2019-2nd

April 2019- 12th super light/spotting

May 2019 ... waiting

Is it just off to me or should I get checked out?? Also, since I'm ttc... when do I take a pg test? Glow says I'll start but sometimes its 4 days to a wk off...