Assertion: defect's condition | /r/HasProperty | fatal
Facets:
value: usually
type: DEGREE
value: in males either in utero
type: TEMPORAL
Source sentences:
text: Some X-linked dominant conditions, such as Rett syndrome, incontinentia pigmenti type 2, and Aicardi syndrome, are usually fatal in males either in utero or shortly after birth, and are therefore predominantly seen in females.