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What is the morula?
1 doctor weighed in

Dr. Scott Roseff
Fertility Medicine
In brief: An embryo stage
A fertilized egg is a zygote.
Then it grows (by the third day after fertilization) to the embryo stage. On day 4 of growth it's called a morula, and on the fifth day it's called a blastocyst. Hope this helps!

In brief: An embryo stage
A fertilized egg is a zygote.
Then it grows (by the third day after fertilization) to the embryo stage. On day 4 of growth it's called a morula, and on the fifth day it's called a blastocyst. Hope this helps!
Dr. Scott Roseff
Dr. Scott Roseff
Thank
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