CNM Certified Nurse Midwife

Category - Antepartum

A nurse midwife is teaching a group of nursing students about the stages of fetal development. Which of the following terms refers to the stage from fertilization to implantation?
  1. Zygote
  2. Embryo
  3. Ovum
  4. Fetus
Explanation
Answer: A - Zygote is the term used to denote fetal growth from the time of fertilization to implantation. Embryo is used to denote fetal growth from implantation to between five and eight weeks. An ovum is an egg in the ovary of the female that has not been fertilized by a spermatozoon. Fetus is the term used to describe fetal growth from five to eight weeks’ gestation until term.
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