As the baby grows he or she will move and tumble in the womb with the help of the amniotic fluid. In some cases, the amniotic fluid may measure too low or too high. Short description: Disorder of amniotic fluid and membrns, unsp, third tri The 2021 edition of ICD-10-CM O41.93 became effective on October 1, 2020. Small changes in the level occur as the baby swallows the fluid. Well, instances of low amniotic fluid can happen at any period during your pregnancy, but most often occurs during the third trimester. If the AFI indicates the level of fluid below 5 cm, or if the volume of the fluid is below 500 ml at 32 weeks to 36 weeks of the pregnancy, then the oligohydramnios diagnosis would be expected. In some pregnancies, there may be too much (polyhydramnios) or too little ( oligohydramnios ) amniotic fluid. Most cases of polyhydramnios are mild and result from a gradual buildup of amniotic fluid during the second half of pregnancy. Amniotic fluid helps your baby grow and develop normally. The diagnosis of oligohydramnios may lead to intervention with acknowledged increased rates of induction of labour and increased Caesarean section rates following on a diagnosis of third trimester oligohydramnios. The amniotic fluid levels then remains constant until the baby is full term (37 to 42 weeks) when the levels start to decline. It is part of the fetal biophysical profile.. If the measurement of amniotic fluid is too low it is called oligohydramnios. This fluid surrounds your unborn baby in the womb. Amniotic fluid production and regulation is a complex and dynamic process involving the fetus, placenta, and mother. Why is amniotic fluid important during pregnancy? An amniotic fluid leak in the first and second trimester may be associated with an increased risk for birth defects, miscarriage, stillbirth, or preterm labor, whereas in the third trimester, it may cause difficulties in delivery. As a result, doctors usually monitor fluid levels regularly until a woman is ready to give birth. None of the methods used to assess the amniotic fluid level are very accurate or more importantly without harm. Nearly eight percent of the pregnant women can have this low amniotic fluid levels, with nearly four percent being diagnosed with the oligohydramnios. This is the American ICD-10-CM version of O41.93 - other international versions of ICD-10 O41.93 may differ. The amniotic fluid is the protective liquid that serves as a cushion for the growing foetus. The amount of amniotic fluid in the womb steadily increases up … Polyhydramnios is a condition that causes you to have too much amniotic fluid during pregnancy. In the second trimester, the baby will begin to breathe and swallow the amniotic fluid. Polyhydramnios (pol-e-hi-DRAM-nee-os) is the excessive accumulation of amniotic fluid — the fluid that surrounds the baby in the uterus during pregnancy. 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