I'm a first time mom and I am 35 weeks and 3 days and my back has been hurting lately with some tightness stretch like feeling in my lower stomach it went away I had back problems before ended up being contractions but this time it isn't hurting as bad but I've noticed my underwears get wet on and off and I get only a little bit of white discharge , is this something I should be worried about or do I need to go in and have myself checked.. any advice would help