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Nonprobability sampling generally is more appropriate in the early than in the late stages of research.
Umbilical Vein
A blood vessel in a fetus that carries oxygenated blood from the placenta to the fetus.
Inferior Vena Cava
Vein that returns blood from the lower limbs and the greater part of the pelvic and abdominal organs to the right atrium.
Meconium
First intestinal discharges of the newborn infant, greenish in color and consisting of epithelial cells, mucus, and bile.
Milk Letdown
Expulsion of milk from the alveoli of the mammary glands; stimulated by oxytocin.
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