PURPOSE: To report two cases of @entity732 in pregnant @entity1 with transient @entity4889 . METHODS: Observational case reports. RESULTS: Two pregnant @entity1 in their 30s presented with a paracentral @entity1019 in their right and left eye, respectively. In both cases the only risk factor for @entity432 was pregnancy. @entity262 were excluded. Free and functional PS activity was physiologically reduced in both @entity1 . In Case 1, free PS was 47% and functional PS was 22%. In Case 2, free PS was 43% and functional PS was 25%. These levels of PS seem to be lower than those published for normal pregnancy. CONCLUSIONS: There might be a special relationship between @entity4889 and the development of @entity432 in pregnant @entity1 . A direct effect may be possible. Although the prevalence and incidence of @entity66 in these @entity1 are low, @entity4889 should be considered as another risk factor. Further studies are necessary to evaluate changes in PS and to assess its relationship with @entity1031 events during pregnancy.

XXXX in pregnancy.

@entity1 :: ('9606', 'Species') :: ['women', 'patients'] @entity66 :: ('MESH:D004194', 'Disease') :: ['vasoocclusive disease'] @entity4889 :: ('MESH:D018455', 'Disease') :: ['protein S (PS) deficiency', 'PS deficiency'] @entity262 :: ('MESH:D034721', 'Disease') :: ['Systemic diseases'] @entity1031 :: ('MESH:D013923', 'Disease') :: ['thromboembolic'] @entity432 :: ('MESH:D001157', 'Disease') :: ['vascular occlusion', 'arterial occlusion'] @entity732 :: ('MESH:D015356', 'Disease') :: ['retinal arteriolar occlusion'] @entity1019 :: ('MESH:D012607', 'Disease') :: ['scotoma']
@entity732 :: (MESH:D015356,Disease) :: ['Protein S deficiency and retinal arteriolar occlusion']
