Hi Im Currently 30 Weeks Pregnant With 2nd Child. Last

hi im currently 30 weeks pregnant with 2nd child. last week i had clear vaginal leakage and thought nothing of it. however the last few 5 days the leakage has turned to a yellow/brown colour, iv been experiencing cramping pains like period pain, lower back pain and pressure in my vagina. there is no smell from the discharge and cramping is getting worse. could i be in early labour?