Tips and ovulation

Bobbie
New to the exiting world of Glow and would love some tips.
Been trying for over a year, have two kids with previous partner but my partner now, hasn't had any and as much as he adores mine, we would love to experience the whole thing together and bring our family closer.
It didn't take this long to fall last time and I'm wondering if it's because I'm older now? I'm 30.
Does anyone have any tips and do the ovulating tests really work? 
Also I had treatment done for abnormal cells after a smear test which was burning them off and I'm scared this has done something? Just feel like I'm fighting a losing battle and I'm letting my partner down :-( 
Thank you ladies