Question

At what stage does the umbilical cord develop?

during the first trimesterduring the second trimesterduring ovulationduring fertilization

Answer 1

The cord forms during the fifth week of gestation so therefore, the first trimester.

Answer 2

Umbilical cord is a connective cord between foetus and a mother in the womb composed of a connecting stock, vessels surrounding amniotic membrane developed during first trimester of pregnancy.

What is an umbilical cord?

An umbilical cord develops in the first trimester of the pregnancy from the reminants of the yolk sac and allantois.

It joins the placenta and supplies the foetus with oxygen, rich nutrients from the mother to the foetus and take away the waste metabolites from the foetus without allowing direct mixing.

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