oligohydramnios


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Related to oligohydramnios: polyhydramnios

oligohydramnios

 [ol″ĭ-go-hi-dram´ne-os]
deficiency in the amount of amniotic fluid, defined as 500 mL or less at term and smaller amounts at earlier gestational ages.

ol·i·go·hy·dram·ni·os

(ol'i-gō-hī-dram'nē-os),
The presence of an insufficient amount of amniotic fluid (less than 300 mL at term).
[oligo- + G. hydōr, water, + amnion]

oligohydramnios

/ol·i·go·hy·dram·ni·os/ (-hi-dram´ne-os) deficiency in the amount of amniotic fluid.

oligohydramnios

[-hidram′nē·əs]
Etymology: Gk, oligos + hydor, water, amnion, fetal membrane
an abnormally small amount or absence of amniotic fluid.

oligohydramnios

Neonatology A relative paucity of amniotic fluid–
≤ 500 mL at term–seen when a fetus swallows more than usual Etiology Placental insufficiency, donor twin, urinary tract malformation, amount of fluid.

ol·i·go·hy·dram·ni·os

(ol'i-gō-hī-dram'nē-os)
The presence of an insufficient amount of amnionic fluid (less than 300 mL at term).
Synonym(s): oligoamnios.
[oligo- + G. hydōr, water, + amnion]

oligohydramnios

A rare deficiency of AMNIOTIC FLUID. This is associated with poor function of the PLACENTA, fetal growth retardation and congenital abnormalities.

oligohydramnios

deficiency in the amount of amniotic fluid.
References in periodicals archive ?
The risk factors considered were PIH, diabetes, anemia, oligohydramnios, toxoplasmosis, and hepatitis.
The AT is useful in some situations such as oligohydramnios, IUGR, bloody amniotic fluid, and meconium amniotic fluid.
Various clinical presentations of AOS include oligohydramnios, cutis marmorata, upper limb micromelia and brachypodia, acrania, microcephaly, palatine or auricular malformations, intracranial calcifications, hydrocephaly, arhinencephaly, spina bifida, epilepsy, mental retardation, anatomic bronchial anomalies, renal abnormalities, and cardiovascular anomalies such as bicuspid aortic valve, atrial septal defect, Shone's complex, aortic valve stenosis, hypoplastic left heart syndrome, tetralogy of Fallot, double outlet right ventricle, portal hypertension and pulmonary hypertension.
Although the patient was carried out a conventional amniocentesis, several tries were failed due to the unfavorable position of fetus and oligohydramnios.
The Experience of Amnioinfusion for Oligohydramnios During the Early Second Trimester.
Conclusion: Isolated oligohydramnios at term is not associated with adverse perinatal outcome but there is low birth weight and increased rates of caesarean section and meconium staining associated with it.
The authors defined "high probability of delivery" as spontaneous labor with cervical change (at least 3-cm dilation or 75% effacement), preterm premature rupture of the membranes, or a planned delivery scheduled in the late preterm period for specific obstetric indications, such as oligohydramnios, preeclampsia, gestational hypertension, and intrauterine growth restriction.
Disease pattern among study population showed that anemia was the most common medical condition complicating pregnancy constituting about 24% followed by oligohydramnios (13%) and pregnancy-induced hypertension (9%), hyperemesis gravidarum, threatened preterm, urinary tract infection (UTI), gestational diabetes mellitus (GDM), hypothyroidism, polyhydramnios, epilepsy, upper respiratory tract infection (URTI), and others (Figure 3).
Also, oligohydramnios and anhydramnios were seen in two fetuses.
The presence of polyhydramnios or oligohydramnios is considered a poor prognostic indicator, whereas normal amniotic fluid volumes indicate a lack of clinically significant twin-twin transfusion.
Oligohydramnios is defined as amniotic fluid index of 5 cm.
If there is an imbalance between these compartments, an excess or deficiency of amniotic fluid may occur what is called as polyhydramnios and oligohydramnios respectively.