Question

What do we call the period of time from fertilization of the egg and sperm cells until a foetus is fully developed and born??

Answer 1

Answer:

Pregnant

Explanation:

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Answer 2

Answer:

The time period from fertilization of egg and sperm cells until a foetus is fully developed and born is called the Gestation period or Pragnancy period. This period lasts for 9 months or 270days.