Discharge during pregnancy
is normal during pregnancy. This discharge is usually clear. Since you have been frequently experiencing thick discharge you will need to visit your doctor.
Mostly the discharge should be harmless. But it is advisable to take an expert view. Does the discharge have a foul smell? do you have any irritation when urinating ? these questions will help the doctor to differentiate between a urine infection.
If the cramping experienced often you need to avoid strenuous activity.
further consultation is a must