Newborn Development Guide: 0-2 Month Baby Milestones
Is my newborn growing well? The newborn stage is a time of rapid daily growth. From the Moro reflex at 1 month to social smiles and cooing at 2 months, here's your complete guide to 0-2 month baby development milestones.
Newborn Development Characteristics
The newborn period (0-2 months) is the fastest-growing phase. During this time, babies:
- Gain 20-40g daily
- Grow 2.5-3.8cm per month
- Rapidly develop all five senses
- Begin transitioning from reflexive to intentional movements
1-Month Development
Physical Growth
- Weight gain of 500-700g from birth
- Height increase of about 2.5-3.8cm
- Head circumference increase of 1.5-2cm
- Hands stay in fists
Motor Development
- Briefly lifts head when on tummy (about 45 degrees)
- Cannot fully support head yet
- Moves arms and legs irregularly
- Starts bringing fingers to mouth
Sensory Development
Vision:
- Focuses on objects 15-30cm away
- Gazes at parents' faces
- Prefers high-contrast black and white patterns
Hearing:
- Startles at loud sounds
- Responds to mother's voice
- Tries to turn toward sounds
Reflexes
One-month-olds show several primitive reflexes:
- Moro reflex: Arms spread and retract when startled
- Sucking reflex: Sucks on anything touching mouth
- Grasp reflex: Grips objects placed in palm
- Stepping reflex: Makes walking motions when feet touch surface
- Rooting reflex: Turns toward touch on cheek
Language Development
- Communicates through crying
- Different cries for hunger, tiredness, discomfort
- No cooing yet
2-Month Development
Physical Growth
- Average weight gain of 30-40g daily
- Clenched hands begin opening
- Getting chubbier
- Neck muscles strengthening
Motor Development
- Holds head up longer during tummy time
- Can turn head side to side
- More active arm and leg movements
- Kicks vigorously
Sensory Development
Vision:
- Sees objects clearly within 30cm
- Tracks moving objects 180 degrees
- Shows interest in bright colors
Hearing:
- Distinguishes parents' voices
- Turns toward sound sources
- Calmed by soft sounds
Language Development
- Cooing begins: "aah", "ooh" vowel sounds
- Makes sounds when happy
- Tries to respond when talked to
Social Development
- Social smile emerges: smiles at faces
- Makes eye contact
- Shows interest in people
- Begins self-soothing by sucking hands
How to Support Development
0-1 Month
- Tummy time: 2-3 times daily, 1-2 minutes each
- Black & white mobiles: High-contrast visual stimulation
- Physical contact: Cuddle and stroke baby
- Talking: Speak softly and often
1-2 Months
- More tummy time: 3-4 times daily, 3-5 minutes each
- Eye contact: Make eye contact at 30cm distance
- Singing: Lullabies and nursery rhymes
- Hand holding: Utilize grasp reflex
When to Consult a Doctor
| Age | Warning Signs |
|---|---|
| 1 month | Difficulty feeding, no response to sounds, no reaction to bright lights |
| 2 months | No smiling at faces, no response to sounds, doesn't bring hands to mouth |
If you suspect developmental delays, early consultation is best. Early intervention is most effective.
Track Development with BebeSnap
- Growth tracking: Monitor height and weight changes
- Milestone records: Log first smile, cooing start date
- Photos/Notes: Save precious moments
- AI Chatbot: Get answers to development questions
References

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