Is this implantation? Or period

Jada • USMC WIFE ❤️🇺🇸 22 🤰 with #1 baby boy💙 MF infertility. Hashimotos hypothyroidism, polyps,

According to glow my period is in 2 days and I got this! It hasn't been enough to fill a pad, and I only see it when I wipe. Sometimes it dark red.

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