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WOI
The window of implantation (WOI) is the period when the womb lining is ready to receive the embryo. This usually corresponds to days 19-21 of the menstrual cycle if the woman has a regular cycle. However, the implantation window can be temporarily shifted, which can lead to embryo implantation failure. 
Grammatical category Noun
Field Anatomy, physiology and embryology
Level of specialization High
Definition source National Library of Medicine
Gender relationship Yes, woman
Specific to one sex Yes
Prevalence Woman
Variants
Synonym
Formal
receptive window
Formal
Formal
Abbreviation
window
Formal
Equivalents

Spanish

ventana de implantación
WOI
Examples
Recent studies indicate that a dysbiotic microbiome in the endometrium is associated with the pre-receptive endometrium and could disrupt the WOI and fertility outcome.
While transcriptomic studies vary in their findings, they unanimously acknowledged the presence of specific transcriptomic profiles throughout the menstrual cycle, mainly in the WOI (Wang & Yu, 2018).
Collocations
WITH NOUNS
WOI diplacements || period || control samples | control patients | 
control epithelium | biopsy controls || donors | genes | epithelium
WITH VERBS
WOI enables | shifts

WITH PREPOSITIONS
in the | during the | of the WOI
WITH ADJECTIVES
pathological || cific | actual | unique || human WOI