meconium aspiration syndrome
Findings
No curated finding names meconium aspiration syndrome yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
A serious condition in which a newborn breathes a mixture of meconium (the first intestinal discharge) and amniotic fluid into the lungs around the time of delivery. Meconium aspiration syndrome occurs in 5-10 percent of births and typically occurs when the infant is stressed, as when the infant is past its due date.
Definition from the Mondo Disease Ontology (MONDO:0006851), read 2026-09-29. CC BY 4.0.
Features
20 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Abnormal heart rate variabilityHPOHP:0031860
- Frequent (30% to 79% of cases)
- Abnormal pulmonary thoracic imaging findingHPOHP:0031983
- Frequent (30% to 79% of cases)
- Caesarean sectionHPOHP:0011410
- Frequent (30% to 79% of cases)
- Fetal distressHPOHP:0025116
- Frequent (30% to 79% of cases)
- Postterm pregnancyHPOHP:0031169
- Frequent (30% to 79% of cases)
- Respiratory distressHPOHP:0002098
- Frequent (30% to 79% of cases)
- Transient pulmonary infiltratesHPOHP:0005828
- Frequent (30% to 79% of cases)
- Aspiration pneumoniaHPOHP:0011951
- Occasional (5% to 29% of cases)
- AtelectasisHPOHP:0100750
- Occasional (5% to 29% of cases)
- HypoxemiaHPOHP:0012418
- Occasional (5% to 29% of cases)
- Intrauterine growth retardationHPOHP:0001511
- Occasional (5% to 29% of cases)
- Meconium stained amniotic fluidHPOHP:0012420
- Occasional (5% to 29% of cases)
Show the remaining 8
- Neonatal asphyxiaHPOHP:0012768
- Occasional (5% to 29% of cases)
- PneumomediastinumHPOHP:0025421
- Occasional (5% to 29% of cases)
- PneumothoraxHPOHP:0002107
- Occasional (5% to 29% of cases)
- Premature rupture of membranesHPOHP:0001788
- Occasional (5% to 29% of cases)
- Pulmonary arterial hypertensionHPOHP:0002092
- Occasional (5% to 29% of cases)
- WheezingHPOHP:0030828
- Occasional (5% to 29% of cases)
Where it sits
- A kind of
Other names
3 names
Resolves to: meconium aspiration syndrome
- Also called
- MASmeconium aspirationneonatal aspiration of meconium