Spotting while on femara/letrozole

I’m on 7.5 mgs of letrozole and 1000mgs of metformin to get me to ovulate (I didn’t ovulate on the lower doses do they bumped me up) did anybody else experience spotting? My period ended and I’m CD 8 today so there’s no way it’s implantation bleeding or ovulation. Unless I ovulated literally the day after my period ended. Anyways, its light pink and there’s just a tiny bit. If anybody has any insight I’d be very thankful to hear it 😊

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