It's quite common for young children to experience gum discomfort as their teeth emerge. This can cause tenderness and minor irritation. While the occasional holding of her stomach may indicate mild discomfort, without other symptoms, it may not be alarming. Ensure she is maintaining good oral hygiene and consider offering soft foods to help ease any discomfort. If her symptoms persist, or if you notice any unusual changes, it would be wise to consult your pediatrician for a thorough evaluation and reassurance. Professional guidance is key to ensuring her health and comfort.