In how many weeks does the foetus reach completeness?

Correct answer: c 28

After 28 weeks the foetus reaches completeness.

Why the other options are wrong

• a 8: At 8 weeks the embryo only starts to be called a foetus; it is not complete.
• b 18: 18 weeks is not in the book; the book says the foetus is fully formed at 28 weeks.
• d 38: At 38 weeks the head of the foetus turns downwards.