Need answers.

I am 38 weeks this past sunday went to hospital for contractions they was 2-3mins apart i was 2 1/2 cm when got there 3cm when they sent me back home cause they contractions were not doing anymore dilation even though was staying 2-3mins apart went to doctor appointment monday was still a 3cm and contractions are still coming like its nothing, today though with the contractions i am having alot of pressure in my area and inter tighs none stop pains. Never had this before so trying to see what this could be my baby has been head down since 32 weeks and still head down. But these pains idk what it is. Anyone have it or have had it