12:50 09/7/2024 Baby specials that make new parents very nervous 0 (0) Swallowing accidents start at 6 to 8 months and in severe cases occur until 7 to 8 years of age. If you go to a parenting cafe, there are tons of stories about their experiences. How useful was this post? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post.