Post-birth functions of vernix Facilitates birth: Its lubricating properties help the fetus move more easily through the birth canal during vaginal delivery. Supports skin adaptation: Vernix helps the newborn’s skin adapt to the extra-uterine environment by maintaining hydration and promoting skin barrier function in the first postnatal week. Promotes immune system development: It aids in the colonization of the newborn’s developing gut microbiome, helping to build a robust immune system. Helps