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Polyhydramnios is a medical condition describing an excess of amniotic fluid in the amniotic sac.It is seen in about 1% of pregnancies. [1] [2] [3] It is typically diagnosed when the amniotic fluid index (AFI) is greater than 24 cm. [4] [5] There are two clinical varieties of polyhydramnios: chronic polyhydramnios where excess amniotic fluid accumulates gradually, and acute polyhydramnios ...
Twin-to-twin transfusion syndrome (TTTS), also known as feto-fetal transfusion syndrome (FFTS), twin oligohydramnios-polyhydramnios sequence (TOPS) and stuck twin syndrome, is a complication of monochorionic multiple pregnancies (the most common form of identical twin pregnancy) in which there is disproportionate blood supply between the fetuses.
Duodenal atresia is the congenital absence or complete closure of a portion of the lumen of the duodenum.It causes increased levels of amniotic fluid during pregnancy (polyhydramnios) and intestinal obstruction in newborn babies.
The opposite of oligohydramnios is polyhydramnios, an excess volume of amniotic fluid in the amniotic sac. Amniotic fluid embolism is a rare but very often fatal condition for both mother and child. Medical applications
Twin oligohydramnios-polyhydramnios sequence is a rare condition that may occur when twins sharing a single placenta develop significant vascular cross-connections, known as anastomoses, resulting in blood flowing away from one twin to the other. [23] This process can result in polyhydramnios in one twin and oligohydramnios in the other twin. [23]
In 90% of cases, neonatal Bartter syndrome is seen between 24 and 30 weeks of gestation with excess amniotic fluid (polyhydramnios). After birth, the infant is seen to urinate and drink excessively (polyuria, and polydipsia, respectively). Life-threatening dehydration may result if the infant does not receive adequate fluids.
Generally, the pump twin is structurally normal, although it is smaller than normal. [2] Due to related problems including the rapid growth of the acardiac twin, polyhydramnios, umbilical cord entanglement and congestive heart failure due to high output, there is a high mortality rate for the pump twin if left untreated.
Polyhydramnios: too much amniotic fluid [9] Multiple gestation: being pregnant with two or more fetuses at one time [8] Having had episodes of bleeding anytime during the pregnancy [8] Invasive procedures (e.g. amniocentesis) [9] Nutritional deficits [10] Cervical insufficiency: having a short or prematurely dilated cervix during pregnancy [9]