Help irregular periods and trying to conceive

I have irregular periods atm and my last period was on the 31st of December....ive been doing ovulation tests for the past 7 days a couple of them were very light with two lines and yesterday and the day before i done one and the positive line was darker but not as dark i done one today and there isnt a line today at all can someone help? I really want a bfb but it just feels like its never gonna happen xxc