After how many days of ovulation, embryo implantation occurs in the uterine cavity :: (A) 3-5 days, (B) 7-9 days, (C) 10-12 days, (D) 13-15 days
Answer is B. Implantation can be defined as the process by which the blastocyst penetrate the epithelium and then the circulatory system of the mother It occurs 7-9 days after feilization Reference: Textbook of Obstetrics; Sheila balakrishnan; 2nd edition; Page no: 57