Which statement accurately describes the nutrients transport process through the umbilical cord?

• A. Only waste products are transported
• B. It functions as a one-way conduit to the placenta
• C. Nutrients flow from the mother to the fetus through it
• D. It is only active during the last trimester

Answer: (C)

The statement that accurately describes the nutrient transport process through the umbilical cord is that nutrients flow from the mother to the fetus through it. The umbilical cord serves as a vital lifeline between the mother and the developing fetus, allowing for the exchange of essential nutrients, gases, and waste products. Through this complex system, vital substances, including oxygen, glucose, amino acids, and fatty acids, are delivered from the maternal bloodstream to support fetal growth and development.

This process is crucial not only for providing energy and building blocks necessary for fetal development but also for maintaining homeostasis. The maternal blood circulates through the placenta, where diffusion and active transport mechanisms enable the transfer of these nutrients into the fetal circulation via the umbilical cord. Consequently, the umbilical cord plays a central role in fetal nutrition throughout pregnancy, not limited to any specific trimester.