Help trying to concieve

Hi guys just looking for some advice.my periods are anything between 24 days and 27 days.this month i ovulated on day 12 and 13 and yesterday i was 10 days past ovulation and noticed when i wiped it was pink then a few hours later a bit if brown.it stopped after that and today nothing.af is suppose to show in the next 1 to 2 days.could this be implantation bleeding ??? Thanks