Morula reaches uterus at?: (A) 3 day after fertilisation, (B) 4 day after fertilisation, (C) 5 day after fertilisation, (D) 6 days after fertilization
Answer is B. Ans. (b) 4 day after fertilisationRef: Langman's embryology 10/hed/p 38, Longman's medical embryology 12th ed/ 37-40