The thickness and color of cervical mucus can vary depending on your menstrual cycle, hormone levels, and other factors. Thick white creamy cervical mucus is usually a sign of ovulation, and it is produced to help sperm travel to the egg. If you are consistently producing thick white creamy cervical mucus, it could be a sign that you are ovulating regularly. It may be a good idea to talk to your doctor about any changes that you may have noticed in your cervical mucus so that they can help you better understand your menstrual cycle.