Clogged milk duct while breastfeeding and ttc

I have ovulated between March 1st and 2nd. Me and hubby had sex on both March 1st and 2nd. Now I would be about 3-4dpo. This morning I woke up with painful breast, low grade fever and just feeling sick. Is it a sign of anything? Is it hormonal? Or just bad luck? During my ov I had terrible nipple pain (sorry tmi).

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