My baby haven't been as active like she usually would be for the pass 3 days... She would put…

My baby haven't been as active like she usually would be for the pass 3 days... She would put pressure and squirm a little, my apatite is not fear and when I eat I get nauseous... COULD THIS BE LABOR STARTING OR SHES ON HER WAY???? I DRINK WATER ALL DAY!!!!