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You are here: Home / Newsletter / 18 Week / Calculate your Baby’s Development

Calculate your Baby’s Development

January 8, 2007 by Paul Banas Leave a Comment


Growing babies usually follow a good curve. However, there may be periods when you will notice ‘spurts’ or ‘dips.’ As your baby’s development is dependent on a number of complex factors, this is not usually a cause for worry.


Here is a chart that indicates the height and weight development of your baby*. Consult your doctor if you have concerns regarding your baby’s development.


Neonates



  • Most full-term babies weigh between 2.6 to 3.8 kilos (5 lb, 11 oz to almost 8 lb, 6 oz). They will gain approximately 19 gm (2/3 oz) per day.


  • Full-term babies measure approximately 48–53 cm (19 and 21 inches) long. They will grow by about 2.5–4 cm (1-1½ inches) every day.

Three months



  • Around the middle of the first month after birth, babies grow by about 14-28 gm (½-1 oz) daily.


  • Babies’ length will increase by about 2.5 – 3.7 cm (1-1½ inches) in a month.

Between 4 to 7 Months



  • A baby may start taking solid food during this phase.


  • Babies at this age grow by approximately 0.4-0.5 kg (1 to 1.25 lb) per month.


  • Babies’ length may increase by about 5 cm (2 inches) in this period.

Between 8 to 12 months



  • Most babies become mobile during this period.


  • 8-month-old babies weigh around 6.3-8.1 kg (14 to 18 lb); an even wider range is considered normal.


  • At the end of 12 months, most babies may approximately triple their weights at birth.


  • They may measure approximately 70-80 cm (28 to 32 inches) long.

* According to Health on the Net Foundation (HON)


Filed Under: 18 Week

About Paul Banas

Paul Banas is happy married dad of two great kids living in San Francisco. He writes now about kids, new technology and how the two interact for GreatDad.com and for Pregnancy Magazine (pregnancymagazine.com) where he is also the publisher.

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Great Dad Talks is a series of conversations with experts on all aspects of the family adventure. With the perspective that “dads don’t always think like moms,” our mission is to support dad voices and our slightly different approaches to parenting. We’ll try to find solutions to every day challenges like getting kids off the couch and making STEM classes available for both boys and girls. But we’ll also tackle bigger issues when they come. The one main theme will be to support dads in the most important role of their lives that of being a great dad. Connect with us at greatdad.com and watch the video version of these podcasts at YouTube.com/greatdadnews

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In this episode of Great Dad Talks, guest Zach Watson dives deep into the often-misunderstood topic of “mental load” in modern partnerships and parenting. Zach, known for his educational and relatable takes on invisible labor in relationships, shares how the mental and emotional workload disproportionately impacts women—often in ways that go unrecognized by men.

Whether you’re struggling with household challenges, feeling disconnected from your partner, or just want to strengthen your role as a dad and partner, this episode is for you. 

Check out Jim’s website at zachthinkshare.com

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