My firstborn started standing up on his own while holding on to the cot railing just before he turned 6 months. Since then he started to walk around holding onto the wall before he independently walk unassisted at 8+ months. Everyone was surprised as it was considered very fast for a baby. His other motor skills were also more advanced for his age according to my PD but it came at a price, he was too focused in his motor skills that he started talking late. We were so afraid that he had a speech delay so we went to see a specialist at 1.5 year old. But we stopped aft a few sessions as there was not much improvement and the sessions were expensive. Somehow at 2.5 years old, he started to talk more and by the time my 2nd was born before his 3rd birthday, he became a chatterbox. Really non stop talking, like as if he suddenly found his voice! So yes, different baby develops very differently. Now with my 2nd, a girl, she still has yet to master crawling at 6 months when her brother alr started crawling at 4+ months. But she's definitely more social, babbles much more than her brother, smiling more often at other ppl and clapping too.
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