Yes! I have had many plants surprise me with a nice skunky stink a couple weeks into veg. I believe this is a strain dependent thing so if it's not there I wouldn't worry. I take premature stank as a sign of good care to the plant .
I have 3 little plants that were clones chilling waiting to go in my main area and they stink up my closet good.
plus depending on what you're feeding it can make a smell difference. my
CaMg supplement stinks pretty hard after watering.
if you're plants start shooting flowers (not just small signs of pistils developing) without a light flip - then ya got an auto problem. it seems more and more people have been getting auto seeds accidently, thankfully i haven't gotten any surprises.
-edit- if these three below can stink it up, any can haha
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