Any process that stops, prevents or reduces the frequency, rate or extent of trophectodermal cell proliferation.
Synonyms:
exact_synonym:
down regulation of trophectoderm cell proliferation; down regulation of trophectodermal cell proliferation; downregulation of trophectoderm cell proliferation; downregulation of trophectodermal cell proliferation; negative regulation of trophectoderm cell proliferation
narrow_synonym:
inhibition of trophectoderm cell proliferation; inhibition of trophectodermal cell proliferation