My baby girl is 1 and half year old.she doesn't respond her name. she only speak one or two word. she even doesn't call me ma. anything need to be worry?

A. keep some patienceit totally fine give plenty of playtime on the mat. maintain hydration and nutritious diet. give Sunlight exposure daily. make sure baby is eating well baby will sit by 7 to 9 months then will try to move by some means. Crawling methods also may differ.