459167000: Monochorionic twin pregnancy (finding)

SNOMED CT Concept\Clinical finding (finding)\Pregnancy, childbirth and puerperium finding\Finding related to pregnancy\Patient currently pregnant\Multiple pregnancy\Twin pregnancy\Monochorionic twin pregnancy

Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2013. Module: SNOMED CT core

Descriptions:

Id Description Lang Type Status Case? Module

2922690013 Monochorionic twin pregnancy en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core

5179521017 Monochorionic twin pregnancy (finding) en Fully specified name Active Entire term case insensitive (core metadata concept) SNOMED CT core

359111000195115 gravidanza gemellare monocoriale it Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT Switzerland NRC maintained Module

5381461000241119 grossesse gémellaire monochoriale fr Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT Switzerland NRC maintained Module

12411001000115 Schwangerschaft mit monochorialen Zwillingen de Synonym (core metadata concept) Active Entire term case sensitive (core metadata concept) SNOMED CT Switzerland NRC maintained Module

Expanded Value Set

Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Monochorionic twin pregnancy	Is a	Twin pregnancy	true	Inferred relationship	Some
Monochorionic twin pregnancy	Interprets	Pregnancy observable	false	Inferred relationship	Some	1
Monochorionic twin pregnancy	Occurrence	Temporal period relating to mother from conception until completion of the third stage of labour, including the antenatal and intrapartum time frame.	false	Inferred relationship	Some	2
Monochorionic twin pregnancy	Occurrence	Temporal period relating to mother from conception until completion of the third stage of labour, including the antenatal and intrapartum time frame.	true	Inferred relationship	Some	1

Inbound Relationships	Type	Active	Source	Characteristic	Refinability	Group
Monochorionic diamniotic twin pregnancy	Is a	True	Monochorionic twin pregnancy	Inferred relationship	Some
Monochorionic monoamniotic twin pregnancy	Is a	True	Monochorionic twin pregnancy	Inferred relationship	Some
A rare disorder related to monochorionic twin pregnancy with characteristics of unequal placental sharing leading to growth restriction in one twin according to the following criteria: estimated fetal weight (EFW) of one twin below the 3rd percentile as a solitary parameter, or fulfilment of at least two out of four contributory parameters (EFW of one twin below the 10th percentile, abdominal circumference of one twin below the 10th percentile, EFW discordance of ≥ 25%, umbilical artery pulsatility index of the smaller twin above the 95th percentile). Early severe forms are associated with a significant risk of intrauterine demise or neurological adverse outcome for both twins.	Associated with	True	Monochorionic twin pregnancy	Inferred relationship	Some	2

This concept is not in any reference sets