AI Specialist Team · Development
Is this normal? The real answer.
The AI Child Development Specialist is one of seven specialists inside the Kiri app. Trained on the CDC milestone checklists (2022 update), AAP developmental surveillance protocols, and aware of what your baby is actually doing.

What parents actually ask
Every parent asks the same question on a loop: is this normal? The AI Child Development Specialist is designed to answer that question with current evidence, in context of your child's actual milestone history, and with explicit guidance on when a missed milestone is worth flagging at your next well-child visit.
“My 9-month-old still isn't crawling. Should I be worried?”
“When should I expect first words?”
“My 2-year-old isn't combining two words yet. Is that a concern?”
“What can I do to encourage motor development?”
“Is my toddler's attention span normal for her age?”
“How much screen time is OK for a 3-year-old?”
Why it's different from a general chatbot
The Child Development Specialist is purpose-built for its domain. Four constraints baked in.
Knows what milestones your baby has hit
Kiri tracks every milestone with the option to attach a video. The Development Specialist references those records when answering — so “is this normal?” is informed by what you've actually logged, not a generic chart.
Age-aware, with real thresholds
The CDC updated its milestone checklists in 2022 to reflect what 75% of children do by each age — a more useful threshold than the old 50% median. The Specialist uses the current evidence, not the outdated chart from a parenting book.
Sources cited
Milestone benchmarks reference the CDC or AAP standard. Intervention recommendations follow Bright Futures developmental surveillance guidance.
Honest about when to flag
The Specialist names specific milestones whose absence at specific ages warrants a conversation with your pediatrician — not vague reassurance, not catastrophizing.
Grounded in trusted sources
Every answer is anchored to one or more of the following. The Specialist names the source when the parent asks why.
Centers for Disease Control and Prevention (CDC)
“Learn the Signs. Act Early.” milestone checklists (2022 revision), reflecting the 75th-percentile threshold for normal development.
American Academy of Pediatrics (AAP)
Developmental surveillance and screening policy, including the AAP's 2020 Bright Futures recommendations for milestone tracking at every well-child visit.
Zero to Three
Evidence-based child development resources for ages 0 to 3, particularly social-emotional development and early learning.
AAP Council on Early Childhood
Including the AAP's guidance on screen time, play-based learning, and early literacy.
Frequently asked questions
How is this different from the milestones in my parenting book?
Most parenting books reference the old 50% threshold (milestones half of children hit by a given age). The CDC updated to 75% in 2022 — meaning if your baby hasn't hit a milestone by the listed age, more than half her peers haven't either. The Specialist uses the current evidence, which is more useful for separating “normal range” from “worth flagging.”
Does it replace developmental screening?
No. The AAP recommends formal developmental screening at the 9, 18, 24, and 30 month visits. The AI Specialist is designed to help you think about milestones in between — and to tell you when something is worth bringing up at the next visit.
What if I'm worried about autism or another developmental concern?
The Specialist can help you think through the M-CHAT-R (the standard autism screening tool used at 18 and 24 months) and what specific behaviors are worth discussing with your pediatrician. It won't diagnose — but it can help you advocate for an early evaluation if your gut says something.
Is my milestone log private?
Yes. Milestones and any health data captured in Kiri are encrypted and not sold to advertisers. See our privacy policy for the full disclosure.
Have a development question right now?
Download Kiri free, log a few milestones, and ask the Development Specialist anything. The answer is informed by what your baby is actually doing, not a generic chart.