14 months old don't want to drink milk

My daughter currently 14months d who attend infant care. She the who eat less during meals. Usually milk at 7pm then bath. After that finner 3-4 spoon then 8.30pm up to sleep. Before she go to sleep, she will drink her milk. But what concern me its been 3 days she dont want to drink milk before sleep. 7pm drink milk then eat 2 spoon dinner, 8.30pm bring her up to sleep, she dont want to drink milk. I afraid she dont get enough nutrition since she dont ate well. Os she teething or sick? Or its just a phase? Her next appt with PD 10/12/21. #advicepls