Umbilical cord
The cord that connects the developing fetus with the placenta while the fetus
is in the uterus. The umbilical arteries and vein
run within this cord. The umbilical cord is clamped and cut at birth, and its residual tip forms the
bellybutton.
Read Also:
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The vestige left behind on a newborn’s belly when the umbilical cord is cut. Also called the navel or belly button.
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Birth of a baby without the assistance of an obstetrician, midwife, or other health professional. This may be by accident or by design. Unassisted childbirth is fraught with risks since about a fifth of apparently normal pregnancies develop unexpected complications during labor and turn into high-risk, sometimes life-threatening, situations.
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By Atul Gawande. Metropolitan Books/Henry Holt & Co., New York, 2002.
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Abnormal heart rhythms (heart beating too fast or too slow). Abnormalities of the heart valves (aortic stenosis or pulmonic valve stenosis). High blood pressure in the arteries supplying the lungs (pulmonary artery hypertension). Tears in the aorta (aortic dissection). Widespread disease of the heart muscle (cardiomyopathy). To be sure, many of the causes of temporary […]