Or it normal for my 38 weeks to have leakage.

Mucous or water? As you get closer to the delivery day you may notice an increase in mucous and discharge. This happens as your cervix dilates. Many people will also leak small amounts of urine which is also common. If there is a continuous watery discharge then your water may have broken. In that case you need to go to labor and delivery. If you are not sure then see your doctor.