Learn the appropriate timing for teaching your baby to sit alone, and get professional advice on how to promote their physical and mental development.

When is the best time to wean a baby? According to medical professionals, it is generally recommended to start considering weaning around 9-10 months of age, and to completely wean by around 1 year old.

Discuss the possible reasons for babies frequently biting their lower lip with their upper gum, and provide corresponding parenting suggestions.

Explore the possible reasons why a three-year-old child born a month early is unwilling to talk, along with corresponding parenting advice.