Preferred Label : GAIA Level 3a Prenatally Diagnosed Congenital Microcephaly;
NCIt synonyms : Global Alignment of Immunization safety Assessment in pregnancy Level 3a Prenatally
Diagnosed Congenital Microcephaly;
NCIt related terms : Level 3a Prenatally Diagnosed Congenital Microcephaly;
NCIt definition : GAIA Level 3A Prenatally Diagnosed Congenital Microcephaly is defined by three criteria:
first, the fetus is at least 24 weeks gestational age (GA), with GA based on certain
last menstrual period (LMP) date, with confirmatory first or second trimester ultrasound
(US) scan, OR uncertain LMP with second trimester ultrasound, intrauterine insemination
(IUI) OR embryo transfer date; second, a head circumference (HC) measurement either
2 standard deviations (SD) below the mean or less than the third percentile according
to fetal US examination, using appropriate, standardized reference charts according
to GA and gender for the population (e.g. WHO growth reference charts if GA greater
than or equal to 37 weeks and Intergrowth-21st reference charts for GA 24 to 36 weeks);
third, no confirmation of microcephaly with any additional US or by HC measurement
at either birth or autopsy.;
Alternative definition : GAIA: Level 3A Prenatally Diagnosed Congenital Microcephaly is defined by three criteria:
first, the fetus is at least 24 weeks gestational age (GA), with GA based on certain
last menstrual period (LMP) date, with confirmatory first or second trimester ultrasound
(US) scan, OR uncertain LMP with second trimester ultrasound, intrauterine insemination
(IUI) OR embryo transfer date; second, a head circumference (HC) measurement either
2 standard deviations (SD) below the mean or less than the third percentile according
to fetal US examination, using appropriate, standardized reference charts according
to GA and gender for the population (e.g. WHO growth reference charts if GA greater
than or equal to 37 weeks and Intergrowth-21st reference charts for GA 24 to 36 weeks);
third, no confirmation of microcephaly with any additional US or by HC measurement
at either birth or autopsy.;
NCI Metathesaurus CUI : CL512640;
Origin ID : C129605;
UMLS CUI : C4331882;
Semantic type(s)
- concept_is_in_subset
