Key takeaways: Stranger anxiety is a normal developmental stage, often starting around 6 to 9 months. Being shy, clingy, or fearful around strangers is on the CDC’s 9-month milestone checklist. It shows your baby knows who their trusted people are. Give your baby time to warm up, stay close, and avoid forcing interactions.
Your once-social baby now cries when grandma reaches for them. This is a normal part of development.
Why It Happens
As babies’ memory and understanding grow, they recognize familiar faces and notice unfamiliar ones. Being wary of strangers is a sign of healthy attachment.
When It Happens
Stranger anxiety often appears around 6 to 9 months and may peak around the first birthday, then fade gradually in the toddler years.
From the author
From First Breath to First Birthday is my month-by-month guide to your baby’s first year, written as a NICU and postpartum nurse. My book follows your baby’s growth and development month by month, from the first hours after birth to the first birthday.
Helping Your Baby
- Hold your baby while they check out new people.
- Ask visitors to go slowly: talk to you first, smile, and let your baby approach.
- Don’t force your baby to be held by others.
- Bring a familiar item to new places.
- Introduce new caregivers gradually, with you present at first.
- Stay calm and positive.
For Grandparents and Friends
Explain that it’s a normal stage, not personal. Suggest they play nearby, offer a toy, and let your baby warm up.
Childcare Transitions
Plan a few short visits before starting childcare. Keep goodbyes short and loving.
When to Talk to Your Doctor
Talk to your doctor if your baby seems extremely fearful in most situations, doesn’t seem to recognize familiar people, or isn’t showing other social milestones.
The Bottom Line
Stranger anxiety is normal and temporary. Give your baby time, stay close, and let them warm up at their own pace.
Want more support for your baby’s first year? My book, From First Breath to First Birthday, is available on Amazon.
Related Articles
- Your Baby at 8 Months
- Separation Anxiety and Sleep
- Your Baby’s 2-Month Milestones (and When to Talk to the Doctor)
- Understanding Your Baby’s Temperament
Sources
- Centers for Disease Control and Prevention. Important milestones: your baby by 9 months. https://www.cdc.gov/ncbddd/actearly
- American Academy of Pediatrics. Stranger anxiety. HealthyChildren.org. https://www.healthychildren.org
- Zubler JM, Wiggins LD, Macias MM, et al. Evidence-informed milestones for developmental surveillance tools. Pediatrics. 2022;149(3):e2021052138.
This article is for general education and is not a substitute for individualized medical advice. Always talk with your baby’s health care provider or your own provider about your specific situation. If you think your baby or you may have a medical emergency, call 911.
