Preferred Label : GAIA Level 2 First Trimester Spontaneous Abortion;
NCIt synonyms : Global Alignment of Immunization safety Assessment in pregnancy Level 2 First Trimester
Spontaneous Abortion;
NCIt related terms : Level 2 First Trimester Spontaneous Abortion;
NCIt definition : GAIA Level 2 First Trimester Spontaneous Abortion is defined by three criteria: first,
it does not qualify as a Level 1 First Trimester Spontaneous Abortion; second, at
least one of the following three requirements must be met: a) Crown-rump length greater
than 7 mm and no visible heartbeat, confirmed by transvaginal ultrasound; OR b) Crown-rump
length greater than 15 mm and no visible heartbeat, confirmed by abdominal ultrasound;
OR c) Mean gestational sac diameter is 25 mm or more and no visible embryo; third,
gestational age is within the pre-defined range for the selected abortion definition
as assessed by maternal and/or fetal parameters (Level 1-2) (using Brighton Preterm
Birth Gestational Age algorithm).;
Alternative definition : GAIA: Level 2 First Trimester Spontaneous Abortion is defined by three criteria: first,
it does not qualify as a Level 1 First Trimester Spontaneous Abortion; second, at
least one of the following three requirements must be met: a) Crown-rump length greater
than 7 mm and no visible heartbeat, confirmed by transvaginal ultrasound; OR b) Crown-rump
length greater than 15 mm and no visible heartbeat, confirmed by abdominal ultrasound;
OR c) Mean gestational sac diameter is 25 mm or more and no visible embryo; third,
gestational age is within the pre-defined range for the selected abortion definition
as assessed by maternal and/or fetal parameters (Level 1-2) (using Brighton Preterm
Birth Gestational Age algorithm).;
NCI Metathesaurus CUI : CL509091;
Origin ID : C128777;
UMLS CUI : C4289174;
Semantic type(s)
- concept_is_in_subset
