10/01/2023
♥️〰️♥️THE UMBILICAL CORD♥️〰️♥️
The umbilical cord is a conduit between the developing baby and the placenta. During prenatal development, the umbilical cord is physiologically and genetically part of the baby.
The umbilical contains 2️⃣ arteries(umbilical arteries), and 1️⃣ vein(umbilical vein), which are buried within Wharton's jelly that all beautifully form the umbilical cord.
The umbilical cord develops from the yolk sac🍳and allantois. It forms by the 5️⃣th week of pregnancy, replacing the yolk sac as the source of nutrients for the baby. The cord is not directly connected to the mother's circulatory system, but instead joins the placenta, which transfers materials to and from the maternal blood without allowing direct mixing🔀
The umbilical cord in a full term baby is usually about 20 inches long and about 0.75 inches in diameter📏
The blood flow through the umbilical cord is approximately 35 ml / min at 20 weeks, and 240 ml / min at 40 weeks of gestation. Adapted to the weight of the baby, this corresponds to 115 ml / min / kg at 20 weeks and 64 ml / min / kg at 40 weeks📚
The umbilical cord enters the baby via the abdomen, at the point which (after separation) will become the baby’s belly button🤗 Within the baby, the umbilical vein continues towards the transverse fissure of the liver, where it splits into two. One of these branches joins with the hepatic portal vein (connecting to its left branch), which carries blood into the liver. The second branch (known as the ductus venosus) bypasses the liver and flows into the inferior vena cava, which carries blood towards the heart. The two umbilical arteries branch from the internal iliac arteries, and pass on either side of the urinary bladder into the umbilical cord, completing the circuit back to the placenta😍
The umbilical vein supplies the baby with oxygenated, nutrient-rich blood from the placenta. The baby’s heart pumps deoxygenated, nutrient-depleted blood through the umbilical arteries and back to the placenta. 👈🏽THE UMBILICAL CORD IS PERFECTLY DESIGNED TO MAKE A GORGEOUS EXCHANGE OF GOOD THINGS COMING IN AND BAD THINGS GOING OUT🙌🏾
In absence of external interventions, the umbilical cord stops/closes up physiologically shortly after birth, explained both by a swelling and collapse of Wharton's jelly in response to a reduction in temperature and by vasoconstriction of the blood vessels by smooth muscle contraction. In effect, a natural clamp is created, halting the flow of blood. 👈🏽THE UMBILICAL CORD COLLAPSES ON ITS OWN AFTER BIRTH, ALLOWING YOUR BABY TO SURVIVE ON ITS OWN. THIS IS WHY WAITING TILL THE CORD IS COMPLETELY WHITE AND LIMP IS CRUCIAL FOR A SMOOTH TRANSITION AND RECEIVING ALL PLACENTAL BLOOD🙌🏾
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PhotoCred: The Nurturing Root