Implantation (human embryo)
STAGE OF PREGNANCY AT WHICH THE ALREADY FERTILIZED EGG ADHERES TO THE WALL OF THE UTERUS
Zona hatching; Implantation window; Implantation spotting; Nidation; Implantation (embryo); Implantation bleeding; Embryo implantation; Delayed embryo implantation; Implantation (human embryo); Blastocyst implantation
In humans implantation is the stage in the development of the body in which the blastocyst hatches as the embryo, and adheres to the wall of the uterus, as the conceptus. Once this adhesion is successful, the female is considered to be pregnant and the embryo will receive oxygen and nutrients from the mother in order to grow.