New period or not?

I took plan b on July 2 and started bleeding from July 6 to July 12. My usual period lasts seven days and i am supposedly on my fertile week this week (ending in two days) but i do not know if i should count that bleeding as an early period or just sife effect bleeding. I need to know this to readjust my <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">eve</a> calendar and know about my new fertile days and everything. Comments are accepted

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