Clara, from what you mentioned, there are a lot of inconsistencies from your part. Your child will be confused. You need to stick to a method and get on with it from start to finish. Using a pacifier unfortunately is still considered a sleep prop. He would need it to connect to the next sleep cycle and if he doesn't have it anymore he will cry and ask for the pacifier. Best thing is to teach your child the art of self settling and 4 months is a good age to start.
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first time preggy