This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Embryology, Subject name: Anatomy
Embryo term is used till: 
Select and explain. 
A. 12 weeks after LMP, B. 10 weeks after fertilization, C. 10 weeks after LMP, D. 8 weeks of fertilization
D: 8 weeks of fertilization
Answer: D: 8 weeks of fertilization 
Explanation: Ans. D 8 weeks of fertilizationRef: Duttas Obstetrics, 7th ed. pg. 41The prenatal period can be divided intoPeriodProduct (known as)Extends* Ovular/GerminalOvum1st 2 weeks after ovulation* EmbryonicEmbryoFrom fertilization (2nd week of gestation) to 8th week of development after fertilization (10th week AOG)* FetalFetusFrom 8th week of fertilization (10th week AOG) till delivery