A member asked:

What is mucous plug and when does it start when pregnant ?

A doctor has provided 1 answer

Infection barrier: The cervix contains glands that secret mucus and create the mucus plug, which forms soon after the fertilized egg implants in the uterus in early pregnancy. The mucus plug blocks the opening of the cervix and protects against infections until shortly before birth.

Answered 9/24/2018

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