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

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.
References in periodicals archive ?
(6) Recent studies questioning the safety of labor induction in women who have had a cesarean may increase the number of elective repeat cesarean procedures when delivery is believed indicated for oligohydramnios. (7) (See Underlying causes of oligohydramnios.)
These complications were similar to those identified in this study of HEV, including IUGR, acute and chronic monitoring abnormalities, oligohydramnios, chronic villitis, and meconium staining.
Two patients (0.5%) with oligohydramnios were detected by gray-scale, while this rate was 28 (6.4%) based on colour Doppler, which the difference was significant according to chi-square test (p<0.0001).
Anaemia was the commonest obstetrical problem followed by oligohydramnios. Common estgynaecological problem was abnormal vaginal discharge.
Absence of fetal urine production is known to result in oligohydramnios and anhydramnios [1], causing fetal malformations described in Potter sequence including flattened facies, limb malformations, low set abnormal ears, and pulmonary hypoplasia.
At 26 weeks and 3 days, on clinical suspicion of oligohydramnios, ultrasound with Doppler was performed.
Ultrasonography done then showed single live fetus at 30 weeks 2 days gestation with severe oligohydramnios (amniotic fluid index = 2 cm), three chambered fetal heart, bilateral hydronephrotic kidneys and dilated ureters.
The finding of an elevated risk of RSV hospitalization among children with malformations of the urinary system might be explained as follows: Lower urinary tract obstruction results in oligohydramnios, in turn resulting in pulmonary hypoplasia, Dr.
[3] According to textbooks, clinical evidence of reduced AFV (oligohydramnios) includes reduced uterine fundal height, [4] failure to ballot fetal parts in the uterus, [3-5] a fetus cramped for movement, [4,6] and easily felt fetal parts.
Sirenomelia is a fatal condition because of bilateral renal agenesis which leads to oligohydramnios and lung hypoplasia.