Anatomy Fertilization and Development of Embryo 21eb2fed Morula reaches uterus at? A 3 day after fertilisation B 4 day after fertilisation C 5 day after fertilisation D 6 days after fertilization High-Yield Explanation Ans. (b) 4 day after fertilisationRef: Langman's embryology 10/hed/p 38, Longman's medical embryology 12th ed/ 37-40