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Day 268 of 300 · Week 36

Thirty-six weeks: before the 9-month visit

Last reviewed · 4 min read · 12 sources · Plain-text version

The 9-month checkup brings a developmental screening questionnaire, a full exam, sleep and pulling-up questions, and fluoride varnish once teeth are in. The nine-month list: five questions in writing.

A South Asian father at a dining table in evening lamplight with a notebook and the food diary open, the mother beside him with their thirty-six-week-old on her knee chewing a board book.

Thirty-six weeks, and the 9-month visit is around now. Today is what happens at it, the questionnaire you'll be handed, and the five things worth having in writing before you walk in.

Heart

The AAP recommends a standardized developmental screening at the 9-month visit (Lipkin & Macias, 2020; AAP, 2025), often a parent questionnaire like the Ages & Stages Questionnaires (ASQ) (ASQ). It's a form you fill in about what your baby does, not a test your baby takes, and the right answers are the true ones. Expect a full exam, questions about sleep and pulling to stand, and fluoride varnish once teeth are in (AAP). If your baby has teeth, the varnish is brushed on at the visit; if none yet, it waits.

Head

The pediatrician will ask about eating, so the food diary earns its keep: at 9 months, the AAP suggests 3 meals and 2 to 3 snacks a day (AAP), and a week of what actually went in is more useful than a guess. They'll ask about sleep, which is where the night-feed question goes: many babies this age don't need to eat at night, some still do, and the AAP's advice is to check with your pediatrician first if your baby isn't growing and gaining weight steadily (AAP). And they'll be glad to hear your yesterday's vaccine question before they reach for the tray.

Body

The exam also checks the things you can't see at home. Bring it up if your baby seems not to see or hear well (AAP), uses one arm or leg much more than the other (AAP), or has lost skills they used to have (CDC). The guide's section is The 9-month and 12-month checkups. One more thing to know before you go: if the screening raises a worry, your state's early intervention program does a free evaluation and you don't need a referral (CDC).

Try today

  1. Close on the notebook page with five numbered handwritten questions, the father's pen on the fifth, the mother's finger tapping the second, the baby's foot in the corner of the frame.

    The nine-month list

    Time: 15 minutes, both adults, the food diary open

    1. Write question one about food: what's in the diary, what's refused, and whether the amounts look right for 3 meals and 2 to 3 snacks (AAP).

    2. Write question two about nights: the night-feed question, with how many wakings and how long each one lasts (AAP).

    3. Write question three about moving: sitting, scooting or crawling, pulling up, and anything one-sided you've noticed.

    4. Write question four about vaccines, copied from yesterday's card, and question five about the one thing that's been nagging at you, however small.

    5. Put the list, the food diary, and the vaccine record in the bag tonight, not tomorrow morning.

    Make it work:

    Five is the limit. A list of fifteen gets three answered; a list of five gets five.

Watch for

  • Normal

    a baby who sits alone but hasn't pulled up; pulling up to stand is a 12-month milestone (CDC).

    Bring it up at the visit

    if by 9 months your baby doesn't sit without support, look when you call their name, or babble lots of different sounds (CDC).

  • Normal

    a week of fewer words from a baby who's busy learning to crawl.

    Bring it up

    if your baby has lost skills they used to have (CDC).

  • Normal

    a rash of small red bumps from a drooly chin, gone by morning.

    Call 911

    if your baby has purple or blood-colored spots or dots on the skin (AAP).

For you

The mother alone at the same table after the baby is down, writing one more line at the bottom of the list, the father's empty chair pushed back and the lamp the only light.

The visit can ask about you too, but only if you bring it. The 6-month visit was the last of the checkups at which the AAP recommends screening the birthing parent for depression (Earls et al., 2019), so there may be no form this time, and no one may ask. Write a sixth line at the bottom of the list, for yourself: how the nights are, how the days are, whether the flat feeling has lasted more than two weeks. If it has, say it in the room, and if the room isn't the place, your own doctor is, without waiting for a visit that isn't scheduled (Office on Women's Health).

If you're the partner: ask her tonight what the sixth line says, and whether she wants you to be the one who says it out loud at the visit. Then do whichever she picks.

Sources

This guide is general education that summarizes published research and guidance from groups like the American Academy of Pediatrics, the CDC, and the WHO. It isn’t medical advice, and every child develops on their own timeline. Your pediatrician knows your child; if something feels wrong, call them. In an emergency, call 911.

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