Mirena and milk production?

Sydney
I just got Mirena in on Monday. I'm EBF but I pump once in the morning to help engorgement and build a freezer supply. This morning, I only pumped half of what I usually do. My question is can this be from the IUD or just a coincidence? If it's affecting my supply I want to get it out ASAP. 
Also does anyone else have experiences with this?

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