2-month-old baby: Development, milestones and growth

Nikki Stevenson
Nikki Stevenson
Nikki is a parenting writer and a mom to three wild boys who keep her on her toes (and occasionally make her question her sanity). With over 15 years of experience in the parenting industry, she has more tips and tricks than Mary Poppins on speed dial. When she's not typing away at her keyboard, you can find her sipping on coffee, hiding in the bathroom for five minutes of...
Created on May 20, 2024 · 10 mins read

If you're reading this, you're probably knee-deep in the joys and challenges of caring for a 2-month-old. It's a rollercoaster ride, isn't it?

From sleepless nights to heart-melting smiles, every day brings something new, exciting, and a little exhausting. As your little one continues to grow, you may find yourself eagerly awaiting each new milestone they reach. And trust me, we get it – it’s both thrilling and nerve-wracking to watch them change and develop right before your eyes.

In this guide, we’re going to take a closer look at what life is like with a 2-month-old. We’ll talk about their growth, milestones, and all the little quirks that make them unique.

An overview of your baby's growth

At two months old, your little one is experiencing remarkable growth and development driven by intricate biological processes.

  • Physical growth: Their body is rapidly growing and filling out, a result of increased muscle and fat tissue deposition. This growth is supported by their developing digestive system, which efficiently absorbs nutrients from breast milk or formula, providing the building blocks necessary for their expanding body.
  • Cognitive development: Their cognitive development is flourishing as their brain continues to form new connections. The coos and smiles they offer are not just adorable gestures but indications of their developing communication skills and social awareness. These interactions stimulate neural pathways, strengthening cognitive abilities and setting the stage for future learning and understanding.
  • Sensory: Improved eyesight allows them to focus on objects and track movement more accurately, contributing to their growing understanding of the world around them. Similarly, their enhanced hearing enables them to differentiate between various sounds, laying the foundation for language acquisition and communication.

While these changes may seem subtle, they represent critical milestones in your baby’s journey towards optimal growth and development. As you observe these transformations, remember that every child progresses at their unique pace, guided by their individual genetic makeup and environmental influences. By providing a supportive and nurturing environment, you empower your little one to thrive and reach their full potential.

2-month-old physical and cognitive milestones

Your 2-month-old baby is reaching quite the lineup of physical and cognitive milestones. Here’s what you can expect:

Improved head control: Your baby’s neck muscles are gaining strength, allowing them to hold their head up for longer periods during tummy time and when being held upright. This newfound control enables them to explore their surroundings with greater awareness.

Increased social engagement: You’ll notice your baby becoming more responsive to faces and voices, smiling in response to familiar faces and voices. This social interaction is crucial to their cognitive development, fostering emotional bonds and communication skills.

Enhanced visual tracking: Their ability to track moving objects visually improves significantly, demonstrating their developing visual acuity and hand-eye coordination. You may observe them following toys or your face as you move around the room.

Greater Vocalisation: Your baby is beginning to experiment with different sounds, cooing and gurgling as they explore their vocal abilities. These early vocalisations are essential to language development, laying the groundwork for future speech.

Increased physical activity: While still limited in mobility, your baby may exhibit more purposeful movements, such as kicking their legs and waving their arms. These movements strengthen their muscles while enhancing their body awareness and coordination.

Recognition of familiar faces: Your baby can now distinguish between familiar faces and strangers, showing a preference for familiar caregivers and family members. This ability highlights their growing cognitive capacity to recognise and remember important individuals in their life.

Hand awareness: Your baby is becoming more aware of their hands and may begin to bring them together, grasp objects, or swipe at dangling toys. This newfound hand-eye coordination is an essential milestone in their sensory and motor development, setting up their future fine motor skills.

Emergence of social smiles: Genuine, spontaneous smiles are becoming more frequent, particularly in response to interactions with caregivers and loved ones. These social smiles signify your baby’s growing social awareness and emotional connection with those around them.

2-month-old baby weight and length

Your 2-month-old baby reaches the two-month mark, you may be curious about their growth in terms of weight and length. While every baby develops at their own pace, here are some general guidelines to consider:

Weight gain: On average, babies gain between 150 to 200 grams per week during the first few months of life. By two months, your baby’s weight may have increased by approximately 1.2 to 1.6 kilograms since birth. However, it’s essential to remember that individual growth patterns can vary; as long as your baby is steadily gaining weight and meeting their developmental milestones, there’s typically no cause for concern.

Length: Similarly, your baby’s length or height will also continue to increase steadily during their first few months. By two months, your baby may have grown by around 7 to 8 centimetres since birth. As with weight gain, it’s essential to focus on overall growth and development rather than specific measurements, as long as their growth is consistent.

Doctor visits: Your paediatrician will monitor your baby’s growth and development during regular check-ups, including measurements of weight, length, and head circumference. These measurements provide valuable insights into your baby’s overall health and well-being, helping to identify any potential concerns or issues early on.

Feeding habits: Your baby’s weight gain and growth are closely linked to their feeding habits, whether a breastfed baby, formula-fed, or a combination of both. Breastfed babies typically have a more gradual weight gain pattern compared to formula-fed babies, but both are considered healthy as long as they are gaining weight steadily and meeting developmental milestones.

Consulting your paediatrician: If you have any concerns about your baby’s growth or feeding habits, don’t hesitate to reach out to your paediatrician. They can offer guidance, reassurance, and support to ensure your baby is thriving and receiving the nutrition they need for healthy development.

Safety considerations for 2-month-old babies

As your baby grows and becomes more active, ensure their environment is safe and secure. Here are some safety considerations to keep in mind for your 2-month-old baby:

Safe sleep practices
Follow safe sleep guidelines to reduce the risk of Sudden Infant Death Syndrome (SIDS) and other sleep-related accidents. Place your baby on their back to sleep, use a firm mattress with a fitted sheet, and avoid loose bedding, toys, and crib bumpers. Keep the room at a comfortable temperature and consider using a sleep sack instead of blankets. Monitor what position they fall asleep in.

Supervised tummy time
While tummy time is essential for your baby’s development, always supervise them during these sessions to prevent suffocation or choking. Place your baby on a firm, flat surface with no pillows or soft bedding, and engage with them to keep them entertained and supported.

Car seat safety
Ensure your baby’s car seat is properly installed in the vehicle and always use it when traveling. Follow the manufacturer’s instructions for proper use and positioning, including using rear-facing seats for infants and securing the harness snugly around your baby.

Bath safety
Bathe your baby in a warm room free from drafts, and never leave them unattended in the bath, even for a moment. Keep one hand on your baby at all times during bathing, and use a non-slip bath mat to prevent slips and falls.

Safe handling of baby
Support your baby’s head and neck when carrying or holding them, especially when transitioning them between positions. Avoid rough handling or shaking, as this can cause serious injuries such as shaken baby syndrome.

Pet safety
If you have pets in the home, supervise interactions between your baby and pets at all times. Teach your pets to be gentle around the baby, and never leave them alone together, especially if the pet is large or unfamiliar with children.

Sun protection
Protect your baby’s delicate skin from the sun by keeping them in the shade when outdoors and dressing them in lightweight, protective clothing. Use a broad-spectrum sunscreen on exposed skin if your baby is older than six months, check with your baby’s doctor for children younger than this.

Feeding your 2-month-old baby

Feeding your 2-month-old baby is crucial for their growth and development. Whether you breastfeed, formula feed, or combine both, consider the following:

  • Breastfeeding: Breast milk offers tailored nutrition and antibodies for your baby’s health. Feed on demand, stay hydrated, and eat a balanced diet.
  • Formula feeding: Choose a quality formula, follow mixing instructions, and use clean bottles. Hold your baby close during feedings for bonding.
  • Combination feeding: Combine breastfeeding and formula feeding as needed. Establish a feeding routine that suits your lifestyle.
  • Feeding cues: Look for cues that your baby is hungry like sucking on fists or rooting. Avoid overfeeding and trust your baby’s appetite.
  • Burping: Burp your baby after feedings to release trapped air and prevent discomfort.
  • Feeding schedule: Expect frequent feedings every 2-3 hours, day and night. Establish a bedtime routine for sleeps with longer stretches.

Development tips for your baby this month

At 2 months old, your baby is rapidly developing and becoming more interactive with their environment. Here are some tips to support their development and enhance their overall well-being.

  • Encourage tummy time: Strengthen neck and arm muscles with short, frequent sessions, extending to slightly longer stretches as they have a growth spurt.
  • Engage in sensory play: Use toys and interaction to stimulate their senses.
  • Provide exploration opportunities: Offer safe spaces and age-appropriate toys.
  • Establish a routine: Create a predictable schedule for feeding, sleeping, and play.
  • Practice responsive parenting: Attend promptly to your baby’s cues and needs, they can only self-soothe to a certain point at this age.
  • Promote sleep hygiene: Establish calming bedtime rituals for better sleep habits.
  • Seek support: Don’t hesitate to reach out for assistance from professionals or loved ones.

Items you will need this month

  • Nappies and wipes: Stock up on nappies in the appropriate size for your baby’s weight, along with plenty of wipes for nappy changes.
  • Baby clothes: Ensure you have an adequate supply of comfortable clothing for your baby, including onesies, sleepers, socks, and hats.
  • Feeding supplies: If you’re breastfeeding, you may need nursing bras, breast pads, and nipple cream. For formula feeding, have bottles, teats, formula, and a bottle brush on hand. Remember to sterilise for disease control.
  • Swaddle blankets: Swaddling can help soothe and comfort your baby, so have a few soft, breathable swaddle blankets ready.
  • Baby monitor: Consider getting a baby monitor to keep an eye on your little one while they sleep or play in another room.
  • Healthcare supplies: Keep a supply of baby-friendly toiletries, including gentle soap, shampoo, lotion, and a baby brush or comb.
  • Baby toys: Choose age-appropriate toys that stimulate your baby’s senses and encourage exploration and play.
  • Nursing pillow: A nursing pillow can provide support and comfort during breastfeeding sessions.
  • Burp cloths and bibs: Have plenty of burp cloths and bibs on hand to catch spit-ups and dribbles during feeding times.

Checklist for this month

  • Schedule well-baby checkup: Book your baby’s two-month well-baby checkup with baby’s doctor.
  • Monitor growth and development: Keep track of milestones and any concerns for discussion with the doctor.
  • Engage in interactive play: Spend quality time playing and bonding with your baby.
  • Practice safe sleep: Ensure a safe sleep environment following guidelines to prevent SIDS.
  • Maintain feeding routine: Stick to consistent feeding patterns and monitor feeding habits.
  • Stay connected: Seek advice and support from other parents, healthcare providers, and support groups.
  • Self-care: Prioritise self-care to manage the demands of caring for a newborn.


Johnson, S. (2012). A clinical handbook on child development paediatrics. Elsevier Australia.

Sharma, A., & Cockerill, H. (2014). Mary Sheridan’s from birth to five years: Children’s developmental progress (4th edn). Routledge.

UNICEF, Your baby’s developmental milestones at 2 months. Available at: https://www.unicef.org/parenting/child-development/your-babys-developmental-milestones-2-months


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