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Sav [38]
3 years ago
6

Cleavage and Implantation What is implantation? When does it occur?

Health
2 answers:
mylen [45]3 years ago
7 0

Answer:

Implantation is what leads an egg to pregnancy. If implantation doesn’t occur then, the fertilized egg comes out with period blood. After fertilization, the egg undergoes series of divisions called cleavage. The cells remain enveloped in the protective egg membrane. This membrane layer hardens after entry of sperm.

<em>hope this helps :)</em>

<em></em>

iogann1982 [59]3 years ago
6 0
Well it’s how you make a baby if you can’t don’t want to go into detail
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