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Source: Mayo Clinic
Childhood to Adolescence
Before puberty, the inner lining is thinner. As estrogen levels rise during puberty, it thickens, and natural changes like the appearance of physiological moisture begin to occur.
Reproductive Years
During this stage, the canal typically measures 7–12 cm in length and has maximum flexibility. Natural hydration increases around the middle of the menstrual cycle when fertility is at its peak.
Pregnancy and Recovery After Birth
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