Implation bleeding or period?

Jay🌙✨💜👧🏻👦🏻🤰🏻 • I'm 29, married, and mother of 2. Pregnant with my third which will be me and my husbands first child together. I love to coupon!!! Baby #3 due 2/22/18!!!
Cd24 9dpo and I started spotting I think?? AF shouldn't come till 23rd. Could it be an early pd or implantation bleeding? It's very light and it's light red...  I took a Monday and negative... any ideas? Thanks ladies

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