Ideas
@ crinrict, yes but the title does not correctly reflect the issue. It's not about infant milestones that can't be completed as a toddler. It's about the infant aging up with some movement skill that makes you unable to unlock toddler milestones.
Also I reported this before and it got merged with the post I mentioned. I don't understand why this particular post didn't get merged then.
If you guys are not happy with titles or merging you will need to contact a CM to sort it out (as said many times before),
Puz and me are both volunteers and we're doing our best to sort out titles but sometimes it's unclear what the issue is to us. If not happy, the CM are your go to person as they can check with Maxis what they think is best.
OP can also edit them themselves.