Abstract
In the uterine cavity, the blastocyst usually waits for about a day before it attaches onto the uterine surface and starts invading the endometrium. The preattachment period, however, can be prolonged — this is called delayed implantation. It appears normally among some wild animals but can also be produced experimentally in mice and rats (Bergström 1978).
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© 1982 Springer-Verlag Berlin Heidelberg
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Nilsson, B.O. (1982). Ultrastructure of Trophoblast-Epithelium Relations During Implantation. In: Beier, H.M., Karlson, P. (eds) Proteins and Steroids in Early Pregnancy. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-67890-5_2
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DOI: https://doi.org/10.1007/978-3-642-67890-5_2
Publisher Name: Springer, Berlin, Heidelberg
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