∞ generated and posted on 2016.03.18 ∞
Glycogen-containing fluid that promotes growth of Lactobacillus, serves as a lubricant, and possesses antimicrobial substances such as lysozyme and IgA.
In direct association with the vagina, secretions of mucus by the cervix during the secretory phase of the menstrual cycle gives rise to an antibacterial barrier that protects the egg and subsequent embryo should implantation and therefore pregnancy ensue. Prior to formation of this mucus plug the mucus produced by the cervix instead is watery and conducive to movement from the vagina into the uterus, such as by sperm prior to fertilization.