3 Questions
Which layer of the blastocyst enables it to penetrate the uterine lining?
Syncytiotrophoblast
When does implantation of the blastocyst occur?
7 to 8 days after fertilization
What does the cytotrophoblast secrete?
Human chorionic gonadotropin
Test your knowledge on the process of implantation and early development of the blastocyst in this informative quiz. Learn about the timing, location, and key events involved in this crucial stage of pregnancy.
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