Assertion: embryo | /r/HasProperty | implanted in uterus
Facets:
Source sentences:
text: Federal law prohibits regulators from even considering a request to launch a clinical trial in which embryos would be genetically altered and implanted in a uterus.
text: During the second week of development, with the embryo implanted in the uterus, cells within the blastocyst start to organize into layers.