implantation bleeding question

Sarah

How long after implantation bleeding should you test?

I think I am having implantation bleeding. My periods and ovulation have been very irregular since my last miscarriage in June last year. Normally when I start my period I have some kind of cramps and pms. This time nothing. It is very light spotting, only a little when I wipe. With all of my other pregnancies I have never had this... any insight would help!

Thank you!