This comprehensive embryo implantation diagram traces development from zygote through blastocyst formation, zona pellucida hatching, endometrial contact, adhesion, and invasion. It details implantation window regulation by progesterone and estrogen, endometrial receptivity changes with surface molecule expression, embryo-maternal communication through cytokines and integrins, common implantation failure factors including embryo quality and endometrial abnormalities, and clinical relevance for optimizing assisted reproductive technologies. Invaluable for reproductive medicine education, embryology research, and infertility treatment training.
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