loading...| Preferred Name |
Oligohydramnios |
| Synonyms |
Low levels of amniotic fluid Decreased amniotic fluid index Maternal oligohydramnios |
| Definitions |
Diminished amniotic fluid volume in pregnancy. Oligohydramnios is the opposite of polyhydramnios. In normal pregnancy the amniotic fluid volume increases by about 10 ml/day until the 34th, after which it slowly diminishes. A normal amniotic fluid volume at term is about 500-2,000 ml. Oligohydramnios is defined as an AFI (amniotic fluid index) less than 5 cm or smallest vertical pocket of fluid less than 2 cm. |
| ID |
http://purl.obolibrary.org/obo/HP_0001562 |
| comment |
Oligohydramnios is the opposite of polyhydramnios. In normal pregnancy the amniotic fluid volume increases by about 10 ml/day until the 34th, after which it slowly diminishes. A normal amniotic fluid volume at term is about 500-2,000 ml. Oligohydramnios is defined as an AFI (amniotic fluid index) less than 5 cm or smallest vertical pocket of fluid less than 2 cm. |
| database_cross_reference |
MSH:D016104 UMLS:C3550658 UMLS:C0079924 SNOMEDCT_US:59566000 |
| definition |
Diminished amniotic fluid volume in pregnancy. |
| has_alternative_id |
HP:0004638 |
| has_exact_synonym |
Low levels of amniotic fluid Maternal oligohydramnios |
| has_obo_namespace |
human_phenotype |
| has_related_synonym |
Decreased amniotic fluid index |
| id |
HP:0001562 |
| label |
Oligohydramnios |
| notation |
HP:0001562 |
| prefLabel |
Oligohydramnios |
| treeView | |
| subClassOf |