Should I buy a HPT?

Alexis
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Okay, so here's the issue. My period was supposed to show up Tuesday (2/21). It appeared (I guess?) on Sunday (2/19). However, I didn't actually have a period. It was just spotting for 4 days. Mostly brown stains and a little bit of actual blood. Normally, I have a medium to heavy flow. I'm inclined to think it was my bc (got off then got back on), but I didn't keep up with it properly. So…opinions?

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