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At what stage does the umbilical cord develop? during the first trimester during the second trimester during ovulation during fertilization

Respuesta :

Answer: 5th week

Explanation: the umbilical cord develops from and contains remnants of the yolk sac and allantois. It forms by the 5th week (1st trimester) of development

jerrykeeton

Answer:

during the first trimester is the answer

Explanation:

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