Question

true or false: implantation takes place immediately after fertilization​

Answer 1

Answer:

FALSE

Explanation:

ONCE THE EMBRYO REACHES THE BLASTOCYST STAGE APPROXIMATELY AFTER 5 TO 6 DAYS AFTER FERTILIZATION IT HATCHES OUT OF ITS ZONA PELLUCIDA AND BEGINS THE PROCESS OF IMPLANTATION IN UTERUS

Answer 2

Answer:

Once the embryo reaches the blastocyst stage, approximately five to six days after fertilization, it hatches out of its zona pellucida and begins the process of implantation in the uterus. In nature, 50 percent of all fertilized eggs are lost before a woman's missed menses.