So last night I got this awful pain in my left side right under my bump not sure if it was little…

So last night I got this awful pain in my left side right under my bump not sure if it was little lady getting her head down took most of the night to go now feels sore this morning. To top that off my little man is poorly so off school today. When do you no head is down ?? and dose it stay there or keep moving until labour is ready ?? Help lady's