Nidation: what it is, when it occurs and symptoms
Implantation corresponds to the process of implantation of the egg fertilized by sperm into the wall of the uterus, the endometrium, giving rise to the initial stage of pregnancy. Nidation can happen up to 7 days after fertilization, because the fertilized egg must be moved through the fallopian tube towards the uterus for implantation and […]
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