Is labor soon?

Eleanor • Four daughters👭👭 One Baby Boy On The Way👶🏈💙
So I will be considered full-term tomorrow well last night around 11 I woke up with a terrible terrible headache having back pain and cramps here and there I feel sick like I have to vomit anything i eat makes me sick just makes my stomach upset also I had  really bad diarrhea is me been sick is that a signs of labor coming my body feels sore and also I'm already 3cm almost 4cm 70%