<p class=”text-lg text-gray-700 dark:text-gray-300 leading-relaxed mb-4″>The World Health Organization created these standards by studying over 8,000 healthy, breastfed babies from diverse ethnic backgrounds across six countries (Brazil, Ghana, India, Norway, Oman, and the United States) from 1997 to 2003. This wasn’t just about measuring babies—it was about establishing what optimal child growth calculator looks like when babies receive ideal nutrition and care. The WHO standards represent how babies should grow, not just how they typically do grow in various populations.</p>
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