Fertilized cervical mucus is called “Egg white cervical mucus” because it looks like raw egg white. EWCM provides a suitable environment for sperm. It helps the sperm jump through the vaginal canal and cervix into the uterus. Egg white emissions help the sperm survive the most acidic atmosphere of the sperm. If you do not have a fertile standard cervical mucus, the sperm can not swim or live. This can be a problem for pregnancy.