Kapag ba 7mos na si baby at hindi pa nagbababble at cooing, delay na ba yun? Umiirit at ungol lang.

good read https://www.healthline.com/health/baby/babbling#what-it-is "Canonical babbling. Your 6- to 10-month-old should start making recognizable syllable sounds — and stringing several of them together. This is where all that “goo-goo” and “gaa-gaa” stuff begins! There are even two types of canonical babbling: reduplicated, where a baby repeats the same syllable sound over and over (“deedeedeedee”) non-reduplicated, where the syllable sounds strung together are different (“meebaagoo”)"