Newborn baby scent on toddler

Di
So, starting yesterday, I kept smelling a newborn baby scent on my 21 month old daughter. There are NO newborn babies in our family right now, so the scent can't be from an outside source. 
I, at first, ignored it and thought it was all in my head ... but today, I smelled my daughter again. I still smelled the scent on her. 
It's pretty weird to me... a friend said I should get a pregnancy test but I don't know. I did just take out my Skyla IUD last Tuesday but hmmm.... still a bit skeptical at the moment. 
Anyone else ever experienced this?

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