Thanks to the hormone called estrogen, the fluid is maintained to keep the lining of the vagina healthy and elastic. Whenever a woman experiences a drop in estrogen levels, the amount of moisture available is also reduced. Vaginal dryness is the result, which thins out the lining and creates a less elastic environment.
Medical Definition of umbilical cord. : a cord arising from the navel that connects the fetus with the placenta and contains the two umbilical arteries and the umbilical vein.
The umbilical cord (also called the birth cord) connects the developing fetus to the placenta. It functions as a lifeline, connecting the vulnerable fetus to its mother and delivering vital nutrients and oxygen, while carrying away waste materials.