help has anyone had this

I'm pregnant, and I'm discharging the smell of period but no blood it's the time I normally come on but I'm late well I normally would be late I'm 5 weeks and it's more clear with white bits and my vagina is more open as it is really lose and I have cramps like a period again and back ache and leg cramps but no blood thank god, just want to know anyone else had this?!