Ttc #1 any tips?

First time posting to any groups, can someone please offer me some advice?
I've been having unprotected sex with my partner for almost a year now but only been ttc since the start of the year but still no luck. 
We've had a few false alarms and I've been having sex on all the right days multiple times a day, but still nothing. 
Is there more that I can do to improve my chances?