Hey ladies whats up with that???(ladies only)?

my periods supp 2 com on the 27th of this month and last night i felt a rush of somthing coming out u knw like when ur period is about to start somtimes it may spot and somtimes u get that little rush anyway when i felt it i said to myself it my period so i went in the bathroom an sat over the toilet to my suprise it was watery wet my panties was wet wet CM??? so i thought to myself mayb i finally got tru (preggo) but this morning my period came with cramps and usual...i hate this set up..i'm on clomid 100mg my first cycle i did 3 cycles last yr on 50mg ttc since i have pcos and 1 blocked tube...i wish i knew what caused that water like flow sorry 2 b so graphic but hey we are all ladies and we al go tru things...stuff like that..