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1 janv. 2020 - Fertilization

Description:

Fertilization occurs when a sperm and oocyte (egg) combine, and when they're nuclei fuse. This process may take 3-5 days, and the vagina primes the sperm through the process of capacitation

Ajouté au bande de temps:

Date:

1 janv. 2020
Maintenaint
~ Il y a 5 ans et 9 mois