Baby Development Month by Month
From newborn to 3 years — milestones, feeding, sleep, vaccines, and when to worry. Reviewed by pediatricians, written for Indian parents.
Infant
Month 1–12
1 Month
Your 1-month-old is more alert, may start smiling, and colic could arrive. Here's what to expect with feeding, sleep, tummy time, and the 6-week vaccines.
Weight: 3.4-5.5 kg
2 Months
Your 2-month-old rewards you with real smiles, colic starts easing, and longer night stretches begin. Here's what to expect with development, feeding, and reflux.
Weight: 4.5-6.5 kg
3 Months
Your 3-month-old is cooing, laughing, grabbing toys, and pushing up on forearms. Colic is resolving, but the 4-month sleep regression may be around the corner.
Weight: 6.0-7.5 kg
4 Months
Your 4-month-old is learning to laugh, grab toys, and hold their head steady — but sleep just got harder. Here's everything you need to know about the 4-month sleep regression, feeding, milestones, and growth.
Weight: 6.5–8.0 kg
5 Months
Your 5-month-old is rolling over, reaching for everything, and putting it all in their mouth. Here's what to expect with feeding, sleep, teething signs, and development milestones.
Weight: 7.0–8.5 kg
6 Months
The big milestone month — your 6-month-old is ready for solid food! Here's how to start complementary feeding (Indian foods), plus development milestones, sleep schedule, vaccines, and growth expectations.
Weight: 7.5–9.0 kg
7 Months
Your 7-month-old is sitting without support, transferring toys between hands, babbling consonant chains, and developing stranger anxiety. Here's what to expect with feeding, sleep, and development.
Weight: 7.5–9.5 kg
8 Months
Your 8-month-old may be crawling, pulling to stand, developing pincer grasp, and saying 'mama/dada' — though not meaningfully yet. Separation anxiety is building and the 8-10 month sleep regression may hit.
Weight: 8.0–10.0 kg
9 Months
At 9 months, your baby is sitting independently, babbling chains like 'mamama', playing peek-a-boo, and starting to crawl. Separation anxiety peaks now — it's a sign of healthy attachment.
Weight: 8.5–10.5 kg
10 Months
At 10 months, your baby is cruising along furniture, developing the pincer grasp, clapping, and waving bye-bye. The sleep regression may be easing, and textured foods are expanding.
Weight: 9.0–11.0 kg
11 Months
At 11 months, your baby may take first steps, uses 'mama' and 'dada' with meaning, understands simple commands, and is eating family-style food cut small. Almost a toddler.
Weight: 9.0–11.5 kg
1 Year
Happy first birthday! At 12 months, your baby plays pat-a-cake, says mama/dada, understands 'no', cruises or walks, and transitions to family foods. A major developmental assessment milestone.
Weight: 9.5–11.5 kg
Toddler
Month 13–24
13 Months
At 13 months, your toddler is walking (or close to it), saying a few words, exploring everything with intense curiosity, and testing boundaries. Tantrums may begin as frustration outpaces communication.
Weight: 9.5–12.0 kg
14 Months
At 14 months, your toddler is walking more steadily, saying 3-6 words, trying to use a spoon, and tantrums are in full swing. Independence vs safety becomes the daily theme.
Weight: 9.5–12.5 kg
15 Months
At 15 months, your toddler takes independent steps, self-feeds with fingers, tries words beyond mama/dada, points to ask for things, and stacks blocks. MMR-2 and Varicella-1 vaccines are due.
Weight: 10.0–12.0 kg
16 Months
What to expect at 16 months — walking, first words, tantrums, feeding tips, sleep schedule, and when to worry. A practical guide for Indian parents.
Weight: 9.5-12.5 kg
17 Months
What to expect at 17 months — walking confidently, vocabulary growth, pretend play, toddler nutrition tips, and when to be concerned. Guide for Indian parents.
Weight: 9.8-12.8 kg
18 Months
Complete guide to your 18-month-old's development — CDC milestones, vaccines, feeding, sleep, tantrums, autism screening, and red flags. For Indian parents.
Weight: 10-12.5 kg
19 Months
Your 19-month-old's development — emerging words, running, pretend play, toddler meals, sleep tips, and common concerns. Practical guide for Indian parents.
Weight: 10-13 kg
20 Months
Your 20-month-old's development — vocabulary explosion, climbing everything, toddler independence, Indian food ideas, and when to worry. Pediatrician-reviewed.
Weight: 10.2-13.2 kg
21 Months
Your 21-month-old's development — 2-word phrases, running and climbing, potty readiness signs, Indian toddler meals, and when to worry. Pediatrician-reviewed.
Weight: 10.3-13.5 kg
22 Months
Your 22-month-old's development — growing vocabulary, pretend play, toddler independence, feeding guide with Indian foods, sleep, and red flags.
Weight: 10.5-13.7 kg
23 Months
Your 23-month-old's development — almost 2! Vocabulary explosion, running and jumping, potty training, Indian toddler meals, and when to be concerned.
Weight: 10.5-14 kg
2 Years
Complete guide to your 2-year-old's development — CDC milestones, potty training, speech, vaccines, feeding, tantrums, autism screening, and red flags.
Weight: 11-14 kg
Preschooler
Month 25–36
25 Months
Your 25-month-old is becoming more independent, talking more, and testing every boundary. Here's what to expect with milestones, feeding, sleep, potty readiness, and when to worry.
Weight: 10.5–14.5 kg
26 Months
Your 26-month-old is talking more, climbing everything, and asserting their will at every turn. Here's what to expect with development, feeding, sleep, and common toddler concerns.
Weight: 10.5–14.5 kg
27 Months
Your 27-month-old wants to do everything 'myself' — from dressing to eating. Here's what to expect with milestones, nutrition, sleep, and managing toddler independence.
Weight: 10.5–14.5 kg
28 Months
Your 28-month-old is getting more coordinated, talking in longer sentences, and starting to play with other children. Here's what to expect this month.
Weight: 11–15 kg
29 Months
Your 29-month-old is balancing better, talking in longer sentences, and building an emotional vocabulary. Here's what to expect this month.
Weight: 11.5–15 kg
30 Months
Your 30-month-old is halfway to three — a major developmental checkpoint. Here's what to expect with speech, motor skills, potty training, and preschool readiness.
Weight: 11.5–15.5 kg
31 Months
Your 31-month-old is climbing confidently, drawing shapes, and using pronouns. Here's what to expect with development, feeding, sleep, and self-help skills.
Weight: 12–15.5 kg
32 Months
Your 32-month-old is running smoothly, counting to five, and starting cooperative play. Here's what to expect with development, nutrition, sleep, and common concerns.
Weight: 12–16 kg
33 Months
Your 33-month-old pedals well, asks 'why?' constantly, and is playing cooperatively with other children. Here's what to expect this month.
Weight: 12–16 kg
34 Months
Your 34-month-old is having real conversations, making friends, and approaching their third birthday. Here's the full guide on milestones, feeding, sleep, and what to watch for.
Weight: 12–16 kg
35 Months
Your 35-month-old is one month from three — speaking clearly, playing cooperatively, and becoming remarkably self-sufficient. Here's the full guide on milestones, feeding, sleep, and concerns.
Weight: 12–16 kg
3 Years
Your child is 3 years old — a major CDC milestone checkpoint. Here's the complete guide on 3-year milestones, feeding, sleep, behavior, and red flags that need evaluation.
Weight: 11.5–16.5 kg
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