Ttc for 9 months and having early ovulation.?

me and my husband have been ttc for 9 mos. my ovulation over the last few months have been on the 6th,7th and sometimes 8 th day. we BD every other day and two in a row after positive opk. just wondering if ne one has experienced early ovulation and what u did to get pregnant. btw my cycles r regular every 28 days.