<xs:restriction base="xs:string"> <xs:enumeration value="GRAV"/>
<xs:enumeration value="DMC"/>
<xs:enumeration value="FOLIKUL"/>
<xs:enumeration value="OVUL"/>
<xs:enumeration value="LUTEAL"/>
<xs:enumeration value="PREMENO"/>
<xs:enumeration value="PERIMENO"/>
<xs:enumeration value="POSTMENO"/>
<xs:enumeration value="MENOP"/>
<xs:enumeration value="PREDPODL"/>
<xs:enumeration value="POSTPODL"/>
<xs:enumeration value="KONTPODL"/>
<xs:enumeration value="VSED"/>
<xs:enumeration value="VLEZ"/>
<xs:enumeration value="DRUGDOSE"/>
<xs:enumeration value="NEZRNOV"/>
<xs:enumeration value="NASLDIAL"/>
<xs:enumeration value="POSTDIAL"/>
<xs:enumeration value="PREDDIAL"/>
</xs:restriction>