Learning two languages in childhood does not cause confusion or language delay. The idea that two languages causes language delays in children has been a long-standing myth in the United States. However, research has dispelled this myth.

How does bilingualism affect speech?

Bilingualism has cognitive and social advantages.

Learning and speaking two or more languages can also broaden children's perspectives and give them easier access to other cultures. There's no valid reason to be worried about bilingualism as several studies have already concluded that it doesn't cause speech delay.

How does being bilingual affect language development?

Children who speak two languages fluently often have an easier time learning new vocabulary and categorizing words. Apart from language development, being bilingual children can also have improved listening, information processing, and problem-solving skills (ASHA, n.d.).