During human implantation a. cytotrophoblast cells spread alongthe basal lamina of the uterine epithelium b. the blastocystusually invades the cervical region of the uterus c. the blastocystis present during the proliferative phase of the uterine cycle d.syncytiotrophoblast cells will invade uterine stroma followingendometrial contact e. the anterior pituitary begins secreting highamounts of hCG
