Fluctuations in estrogen affect Lactobacillus growth and microbiome balance.
Antibiotics and certain drugs can disrupt beneficial bacteria, causing imbalance.
Harsh soaps or douching can upset pH and reduce Lactobacillus protection.
Intercourse can temporarily shift microbiome composition and introduce new bacteria.
Lactobacillus-dominated microbiome maintains acidity, protects against infections, and supports reproductive health.