can u help me?

im actually having my period regularly every start of the month,,this month i had it last jan 03 and ended las jan 09,,i actually had sexual intercourse last jan16 and i know im really fertile on that time but when it comes to love i dont think of anything else,,last jan18 i had these brownish spotting on my undies,,i just want to know if this is what you call implantation or just my menstruation become abnormal??thank you very much..

[babypooh]

If you had your period on the 3rd, I don't think you would be starting again on the 18th, honey. It sounds like it might be implantation bleeding since you had pretty good chances, judging from the times you had intercourse :) Take a test as soon as you miss your next period. Good luck!