My son can say "Mama" since 5 mths. But when he has start saying "apa" at his 10 mths. He seldom call me "mama" except in needs of help, such as, asking for food, toys, hugs... Sometimes, he may say "apa" to me when I asked him to call me mama.
例如我放工返嚟,叫佢叫媽媽,佢都唔會叫,但係唔駛人叫,佢都會叫dad dad ,我日頭係公司打電話返家,工人比囡囡聽,
佢聽見我把聽,叫佢叫媽媽,佢都係唔會叫,只係係度講太空話,之後我一講dad dad ,或洗白白,佢就會講dad dad ,白白,但係媽媽佢點都唔會講,點解呢,係佢唔鍾意我,實係媽媽好難叫傢咩,但係我係屋企,佢一扭計,或要人抱,或整親,佢第一時間就會叫媽媽,同埋只係要我抱,唔要工人同daddy 抱,所以我都唔係好明.