During a human pregnancy, implantation occurs at which stage?
A) zygote
B) early cleavage
C) blastocyst
D) gastrula
E) embryo

Name: During a human pregnancy, implantation occurs at which stage? A) zygote B) early cleavage C) blastocyst D) gastrula E) embryo
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Question

During a human pregnancy, implantation occurs at which stage?​
A) ​zygote
B) ​early cleavage
C) ​blastocyst
D) ​gastrula
E) embryo​

Quizplus · Accepted Answer

Implantation occurs at the blastocyst stage of development, which is when the pre-embryo has formed a hollow ball of cells and attaches to the wall of the uterus.

During a Human Pregnancy, Implantation Occurs at Which Stage?​

During a Human Pregnancy, Implantation Occurs at Which Stage?