“However, your cervical mucus after ovulation will not be clear and runny if you are pregnant. The absence of discharge or dry cervical mucus in early pregnancy is rare. If conception was successful, you are more likely to notice thick, clear or creamy cervical mucus after and before ovulation”

SOURCE: https://parenting.firstcry.com/articles/can-you-detect-early-pregnancy-with-the-help-of-cervical-mucus/

“After conception, changes to cervical mucus may be a very early sign of pregnancy. Implantation is the attachment of a fertilized egg to your uterus. After implantation, mucus tends to be thick, gummy, and clear in color. Some women experience implantation bleeding, or spotting. This can occur 6 to 12 days following conception.”

SOURCE: https://www.healthline.com/health/womens-health/cervical-mucus#stages

“After ovulation, cervical mucus will begin to dry up and thicken if the woman is not pregnant. A woman who has conceived during her cycle may notice cervical mucus increasing instead of drying up after ovulation.”

SOURCE: https://www.medicalnewstoday.com/articles/325544#cervix-changes