hey just found this on a website..
Mucous discharge during early pregnancy is usually the outcome of the implantation process. The discharge may be accompanied by spotting or streaking and is completely normal. Soon after successful implantation, cervical secretions form a mucus plug or a protective barrier at the mouth of the uterus to ensure the safety of the little baby developing within the uterus. As the body prepares for labor, this protective barrier is expelled either in the form of a blob of mucus or in the form of a thick mucus discharge, similar to egg white or the result of a runny nose. This discharge may also contain a hint of blood