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Chorioamnion ruptures when the cervix of the uterus dilates. Water breaking is spontaneous rupture of chorioamnion. This is the fluid which leaks out when water breaks. It helps protect the baby from infection, heat, trauma, pressure, impact and certain chemicals. This fluid is a product of secretions of the baby’s skin, placenta, baby’s lungs and baby’s urine. In this bag, there is a fluid called amniotic fluid. It is a hybrid membrane made by combining chorion and amnion. And as the results are stable for at least two hours there is often time for the woman to get to her midwife or doctor and show them the results.”ĪmnioSense can be used by women at any stage of their pregnancy who have unidentified vaginal wetness and by those at high risk of premature rupture of membranes.The large bag in which the baby is in is made out of a thin but strong membrane called the chorioamnion.
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In addition, as the panty-liner can be worn for up to 12 hours, it is very efficient at detecting small, slow leaks of amniotic fluid. “For professionals, AmnioSense gives the reassurance that a leak is not caused by amniotic fluid, without the need for an intimate exam.
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If the wetness is due to amniotic fluid the blue-green colour will remain for at least two hours.Ĭommunity Midwife, Emma Herbert who has been trialling AmnioSense with 15 mums to be so far says: “AmnioSense gives women control by providing a simple, effective, trustworthy and non-invasive test which allows them to differentiate between a pregnancy niggle and a potentially serious pregnancy complication. The AmnioSense strip has reagents, which react differently to ammonia, and if the liner does change colour due to urine, it will then fade within 10 minutes.
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Though the pH of urine ranges from 4.0 to 8 3, it also contains ammonia. The strip is also able to eliminate any false readings caused by incontinence. Amniotic fluid has a pH of 6.7 or more, while normal vaginal secretions are 3.5 to 4.5. If the strip in the panty-liner comes into contact with moisture with a pH of more than 6.5, it will turn a blue-green colour. ĪmnioSense contains a two-stage diagnostic polymer strip within a panty-liner that can tell if a pregnant woman is leaking amniotic fluid. What’s more is that a NICE review showed that in two out of five cases AmnioSense enabled an accurate diagnosis without the need for a physical examination of the cervix using a speculum. Clinical studies and an independent evaluation by NICE (National Institute for Health and Clinical Excellence), have confirmed the accuracy and effectiveness of AmnioSense. Previously, the only way to diagnose leaking amniotic fluid has been via a speculum and swab tests, but now AmnioSense, which is as accurate as hospital examinations* can be used. In fact, AmnioSense is so sensitive that it reacts to as little as 100 microlitres of amniotic fluid – the equivalent of two drops. This new product – AmnioSense TM – will help midwives to reliably exclude SROM/PROM/P-PROM without the need for speculum testing and provides a much more convenient, unobtrusive and less costly alternative to referring mums-to-be to a hospital setting for checking.ĪminoSense will also help mitigate worry for mothers-to-be, while quickly alerting expectant mums and healthcare professionals when there is a more urgent need for attention and action. Paul Stillman looks at a revolutionary new non-invasive product that detects leaking amniotic fluid