<p>The measurement obtained will then be measured against a growth chart. This will help your doctor determine which percentile your baby falls into. For example, if your baby’s measurement is found to be in the 30th percentile, what it means is that of 100 babies, 30 have a smaller circumference.</p> <h2>What is Normal Baby Head Circumference?</h2> <p>A baby born full-term is likely to have a head circumference measuring around 34.9 cm (13 ¾ inches) at birth. But this measurement is done only a few days after birth. Around one month of age, this would go up to 38.1 cm (15 in). There will be a difference in the measurements of boys and girls of the same age, with boys measuring on the higher side. This means that getting worried about your baby’s large head circumference isn’t warranted. Also, factors such as heredity can have an impact on the size of your baby’s head.</p> <h2>How Much Should Your Infant’s Head Grow Each Month?</h2> <p>Every baby is different, and there are bound to be variations in the way they grow and develop. This is true in case of head circumference too.</p> <ul> <li>Commonly, it is assumed that baby’s head circumference will measure around 2 cm larger than the chest up to six months of age.</li> <li>There will be rapid growth during the first four months.</li> <li>After this, from six months to two years, the chest and head measurements will be the same.</li> <li>After two years of age, the body will grow much faster than the head.</li> </ul> <h2>Baby Boy Head Circumference Chart By Age</h2> <p>The fontanel, a soft region on the baby’s head, will close as your child turns 18 months of age. To know about your baby boy’s growth is critical to ensure his development is on track. The following is a reference chart to estimate the measurements of your newborn boy’s head circumference<strong> </strong>right up to the time he turns a year and a half old.</p> <table> <tbody> <tr> <td><strong>Age (in months)</strong></td> <td><strong>3rd Percentile Head Circumference (in centimeters)</strong></td> <td><strong>50th Percentile Head Circumference (in centimeters)</strong></td> <td><strong>75th Percentile Head Circumference (in centimeters)</strong></td> <td><strong>97th Percentile Head Circumference (in centimeters)</strong></td> </tr> <tr> <td><strong>0</strong></td> <td>31.48762</td> <td>35.81367</td> <td>37.00426</td> <td>38.85417</td> </tr> <tr> <td>12.5</td> <td>44.136</td> <td>46.49853</td> <td>47.37091</td> <td>48.96494</td> </tr> <tr> <td>24.5</td> <td>46.00872</td> <td>48.72065</td> <td>49.67762</td> <td>51.36998</td> </tr> <tr> <td>36</td> <td>46.43344</td> <td>49.68394</td> <td>50.75597</td> <td>52.57205</td> </tr> </tbody> </table> <p>Source For Both Charts:</p> <p><a href="https://www.cdc.gov/growthcharts/html_charts/hcageinf.htm">https://www.cdc.gov/growthcharts/html_charts/hcageinf.htm</a></p> <h2>Baby Girl Head Circumference Chart By Age</h2> <p>You must be worried about your baby girl’s growth as well right? Take a look at the chart given here to estimate the measurements of your baby girl’s head circumference<strong> </strong>right up to the time she turns a year and a half.</p> <table> <tbody> <tr> <td><strong>Age (in months)</strong></td> <td><strong>3rd Percentile Head Circumference (in centimeters)</strong></td> <td><strong>50th Percentile Head Circumference (in centimeters)</strong></td> <td><strong>75th Percentile Head Circumference (in centimeters)</strong></td> <td><strong>97th Percentile Head Circumference (in centimeters)</strong></td> </tr> <tr> <td>0</td> <td>31.9302</td> <td>34.71156</td> <td>35.85124</td> <td>38.1211</td> </tr> <tr> <td>12.5</td> <td>42.8426</td> <td>45.19508</td> <td>46.06532</td> <td>47.65766</td> </tr> <tr> <td>24.5</td> <td>44.84678</td> <td>47.53688</td> <td>48.47548</td> <td>50.12271</td> </tr> <tr> <td>36</td> <td>45.58284</td> <td>48.63342</td> <td>49.66656</td> <td>51.44519</td> </tr> </tbody> </table> <h2>Infant Head Circumference and Intelligence</h2> <p>Wondering if there is a relation between baby’s head circumference and intelligence? There sure is:</p> <ul> <li>It has been found that children who had large head measurements at one year displayed higher IQ when aged between the ages of four and eight. But if you are worried that your baby’s small head circumference, there is no need to be.<br /> <img alt="LARGE HEADED BABIES DISPLAYED HIGHER IQ" src="https://parenting.firstcry.com/wp-content/uploads/2018/02/295860575-H-1024x700.jpg" style="height:700px; width:1024px" /></li> <li>In addition, various other factors such as the age up to which the child is breastfed, educational qualifications of the parents, and the environment they grew up also have an impact on the IQ level of the children.</li> </ul> <p>Since your doctor will have a record of your baby’s measurements right from birth, he will know if there is any cause for concern. Such occurrences are quite rare and often accompanied by other health issues. Urinary, cardiac, skeletal, and renal abnormalities and cerebral palsy and epilepsy are just some issues that might be detected. Early detection can prove helpful in seeking intervention including surgical options. Most children who undergo treatment and surgery recover completely and go on to lead normal lives as adults.</p>
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