@prefix rdf:	<http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix ns1:	<http://purl.obolibrary.org/obo/> .
@prefix owl:	<http://www.w3.org/2002/07/owl#> .
ns1:RO_0002545	rdf:type	owl:AnnotationProperty .
@prefix rdfs:	<http://www.w3.org/2000/01/rdf-schema#> .
ns1:RO_0002545	rdfs:subPropertyOf	ns1:RO_0002535 ;
	rdfs:label	"month of gestation" ;
	ns1:IAO_0000115	"Defines the start and end of a stage with a duration of 1 month, relative to either the time of fertilization or last menstrual period of the mother (to be clarified), counting from one, in terms of a reference model. Thus if month_of_gestation=3, then the stage is 2 month in." .