For your daughter, I’d give the most weight to **warm, responsive caregivers, consistent staffing, small groups, and safe daily routines**. Watch what happens when a baby needs attention: does someone notice, respond gently, and comfort her?

The ratios deserve a closer look. Legal requirements depend on where you live. As a quality benchmark, the American Academy of Pediatrics’ child-care checklist, updated March 2022, recommends these maximums:

| Age | Adult:child ratio | Total group size |
|---|---:|---:|
| Infants through 12 months | 1:3 | 6 |
| 13–35 months | 1:4 | 8 |
| 3 years | 1:7 | 14 |
| 4–5 years | 1:8 | 16 |

Your center’s **1:4 for infants and 1:12 for preschoolers give each adult more children than these recommendations**. Ask about the exact ages, total room size, and coverage during breaks or absences. Check the local licensing rules separately. [AAP checklist](https://www.healthychildren.org/English/family-life/work-and-child-care/Pages/choosing-a-child-care-center.aspx)

Here’s a checklist your wife can take along:

- **Observe how adults respond.** Do they comfort crying babies promptly, talk gently during feeding and changing, and spend time playing at children’s level? Crying happens; the response is what you’re assessing.
- **Check individual routines.** Can feeding and naps follow your daughter’s needs? Are bottles labeled and stored appropriately? Ask how they support breast milk or breastfeeding, if relevant.
- **Look for room to move and explore.** Babies should have supervised floor play and age-appropriate toys and books. Ask how much time they spend in swings or other equipment that restricts movement. For older children, look for varied play, conversation, art, and outdoor activity. [Childcare.gov visit checklist](https://www.childcare.gov/sites/default/files/2022-03/Choosing-a-Child-Care-Center.pdf)
- **Inspect the sleep area.** Infants should be placed on their backs in an appropriate crib or other approved sleep space with a firm, flat mattress and fitted sheet. There should be no pillows, loose blankets, toys, or bumpers. Ask what happens if a baby falls asleep in a swing. [AAP safe-sleep guidance](https://www.healthychildren.org/English/ages-stages/baby/sleep/pages/Preventing-SIDS.aspx)
- **Ask who will know your daughter well.** Will she have a regular primary caregiver? How long have the infant-room staff worked there, and how many have left recently? Stable relationships matter, especially for babies. [AAP quality indicators](https://www.healthychildren.org/English/family-life/work-and-child-care/Pages/why-quality-matters-in-early-child-care-aap-policy-explained.aspx)
- **Check safety and communication.** Ask about infant CPR and first-aid training, supervision, authorized pickup, and emergency procedures. Observe handwashing and diaper-changing hygiene. Request written illness and discipline policies, and ask how you’ll receive feeding, sleep, diaper, and incident updates.
- **Verify the record and practical fit.** Check licensing, inspection reports, and substantiated complaints through the relevant regulator. Speak with current parents. Confirm hours, closures, fees, and the parent-visiting policy. [Childcare.gov selection guide](https://www.childcare.gov/consumer-education/find-and-choose-quality-child-care/simple-steps-for-finding-and-choosing-child-care)

The Mommy and Me class is a useful first visit. I’d also arrange to observe the **ordinary infant room with the staff who would actually care for your daughter**. Ask them to walk you through what happens when several babies need feeding, changing, or comforting at once—that will help you judge how their staffing works in practice.