Refuse her pacifier and cry when she needs to sleep

My twin girls are about 4 months now and they have been great with pacifier. It helps them to initiate sleep. One of the girls has suddenly changed and started to refuse her pacifier and cry everytime I put her down for nap and refuse her pacifier. I don't know what's wrong with her? I have to put her in her stroller and walk around the house. She will fall asleep in her stroller and I will then move her to bed. It has been like this for 3 days now. At night she will be the same but less cry. What should I do and is this normal?

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Maybe she’s experience a growth spurt or something making her uncomfortable Consult ur pd

Maybe experience growth spurt or something is making her uncomfortable Consult ur pd