Question

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

Answer 1

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

Answer 2

during the first trimester is the answer

Step-by-step explanation: