When both parents are known carriers of a genetic disorder.Having a previous child with certain birth defects.Having a previous child with a genetic or chromosomal abnormality.Other situations in which an amniocentesis may be performed due to increased risk include: When there is an abnormal finding on a prenatal screening test, the mother may be offered amniocentesis to help diagnose the cause. Prenatal screening generally involves ultrasound and/or blood tests that can detect signs of a potential problem with a babyвЂ™s health or development. However, It is most often performed based on the increased chance of a chromosomal abnormality either due to a motherвЂ™s age or an abnormal result from a prenatal screening test. It is recommended that amniocentesis be offered to all women interested in diagnostic testing, regardless of age or additional risk factors. When should I have an amniocentesis performed?Дiagnostic amniocentesis is most frequently performed between the 15th and 18th week of pregnancy.

While these are the most common tests performed after amniocentesis, other testing may be ordered to check for bacterial or viral infections or evaluate other aspects of an unborn babyвЂ™s health. When it is, it may be related to an open neural tube defect, such as spina bifida.

It is not normally detected in amniotic fluid. AChE is an enzyme that is produced within the fetal spinal cord and brain. In many cases, amniocentesis also involves measuring alpha fetoprotein (AFP) and acetylcholinesterase (AChE) levels in the amniotic fluid.ДЄFP is a protein that is normally made by the fetus, but abnormal levels can be related to certain birth defects. These prenatal genetic studies are the most common reason why amniocentesis is performed. Different kinds of laboratory analyses may be performed depending on the specific purpose of the test.ДЄmniocentesis can be used to detect whether a fetus has chromosomal changes associated with conditions such as Down Syndrome. What does the test measure?ДЄn amniocentesis test analyzes a small sample of amniotic fluid. In this case, fluid is not removed for testing, and the technical name for this version of the procedure is amnioreduction. The second function of amniocentesis is to remove excess amniotic fluid as a therapeutic procedure. Fetal infection with a virus or bacteria.Genetic disorders such as cystic fibrosis.Chromosomal abnormalities such as Down Syndrome.Possible birth defects involving the brain or spinal cord.For example, pH 6.0 (indicative of an intact membrane) is an olive green while pH 6.5 (indicative of a possible ruptured membrane) is a dark green.There are two main uses of amniocentesis: diagnostic testing of fetal health and removing excess amniotic fluid.Дiagnosis is a way of detecting if a fetus has certain types of developmental abnormalities or health problems. The colour squares on the card are only examples always use the colour description found in the IFU in combination with the colour squares as part of your interpretation. A colour interpretation card is included with each box of AmnioTestв„ў. A possible ruptured membrane is indicated if the swab has a pH of 6.5 to pH 7.5 turning the swab dark green to navy blue.

AmnioTestв„ў is a sterile swab impregnated with nitrazine yellow dye that when brought into contact with the upper vagina will absorb fluid and develops a colour to correlate with the pH of the absorbed fluid ranging from pH 5.0 to pH 7.5. Thus, the presence of amniotic fluid elevates the pH of the upper vagina. Rupture of fetal membranes can result in small amounts of amniotic fluid leaking into the upper vagina.

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Easy to QC with available buffers to match colour interpretation card.

Amniotic fluid test strips