1. Oligohydramnios A case study, including ultrasound images, from the Department of Radiology at Brigham and Women's Hospital. http://brighamrad.harvard.edu/Cases/bwh/hcache/31/full.html

Oligohydramnios Frank H Miller, MD Faye C Laing, MD June 8, 1994 Presentation In this 1984 case, patient is small for dates. Imaging Findings Ultrasound Examination Ultrasound examination shows anhydramnios. Scans of the renal fossae ( arrows ) fail to demonstrate the kidneys and bladder. Diagnosis Absent amniotic fluid due to renal agenesis Discussion Profound oligohydramnios may result from fetal urinary tract anomalies that include bilateral renal agenesis, posterior urethral valves, and bilateral multicystic dysplastic kidneys. Nonrenal etiologies include intrauterine growth retardation, post-term pregnancy, fetal demise, and ruptured membranes. Due to the lack of amniotic fluid, the lungs are hypoplastic and neonates who survive delivery die of respiratory failure. Severe and prolonged oligohydramnios leads to a constellation of findings that include Potter's facies (flattened nose, recessed chin, and low-set ears) and positional abnormalities (clubbed feet, dislocated hips, and contractures). Bilateral renal agenesis is a result of absence or failure of development of the ureteric bud and occurs in approximately 1 in 4,000 births. The inability to produce urine results in severe oligohydromnios and nonvisualization of the bladder. Absence of the kidney may be difficult to diagnose due to severe oligohydramnios. A normal bladder excludes the diagnosis. Bilateral renal agenesis is incompatible with life.

2. Oligohydramnios Introduction, assessment, sonograms, etiology, references, and a quiz. http://www.iame.com/learning/olig/olig.html

3. Pregnancy Today - Oligohydramnios: When Amniotic Fluid Is Too Low Article from Pregnancy Today. http://pregnancytoday.com/reference/articles/oligohydramnios.htm

Search the Site: news lifestyle community diaries ... shop Oligohydramnios: When Amniotic Fluid is Too Low By Laurie Dove When Koni Howard was 25 and pregnant with her second child, she sensed something wasn't quite right. The Oak Ridge, Tenn., mother wasn't gaining much weight, and at 36 weeks into the pregnancy, was continuing too measure small for the baby's due date. "Unlike my first baby, [my second child] hardly ever moved," she says. "I had a feeling there might be a problem." She just didn't know what the problem might be. Despite numerous blood tests and non-stress tests, which tracked the number of movements made by the baby, Howard's obstetrician didn't find anything to cause major concern. However, at 36 weeks into the pregnancy, an ultrasound showed low amniotic fluid levels. Howard was diagnosed with oligohydramnios, a condition in which the amniotic fluid surrounding the baby is below normal levels. "I was extremely surprised," Howard says, of both the diagnosis and what happened next. She had already returned home after the ultrasound and expected to hear the results at her next appointment. "When the phone rang, I never suspected it would be my doctor," she says. "I knew it was after 5 p.m. and her offices were closed. So when she told me, 'I think we're ready to have this baby,' I knew something was up."

4. High-Risk Pregnancy - Amniotic Fluid Problems / Hydramnios /Oligohydramnios , causes, concerns, symptoms, and treatment for hydramnios and oligohydramnios....... http://www.southeastmissourihospital.com/health/peds/hrpregnant/amniofp.htm

High-Risk Pregnancy Amniotic Fluid Problems / Hydramnios / Oligohydramnios What is amniotic fluid? Amniotic fluid is an important part of pregnancy and fetal development. This watery fluid is inside a casing called the amniotic membrane (or sac) and fluid surrounds the fetus throughout pregnancy. Normal amounts may vary, but, generally, women carry about 500 ml of amniotic fluid. Amniotic fluid helps protect and cushion the fetus and plays an important role in the development of many of the fetal organs including the lungs, kidneys, and gastrointestinal tract. Fluid is produced by the fetal lungs and kidneys. It is taken up with fetal swallowing and sent across the placenta to the mother's circulation. Amniotic fluid problems occur in about 7 percent of pregnancies. Too much or too little amniotic fluid is associated with abnormalities in development and pregnancy complications. Differences in the amount of fluid may be the cause or the result of the problem. What is hydramnios?

5. Complications: Oligohydramnios: Too Little Amniotic Fluid The causes of oligohydramnios are not completely understood. The majority ofpregnant women who develop the condition have no identifiable risk factors. http://www.marchofdimes.com/pnhec/188_1033.asp

View All Chapters Find Your Local Chapter September 9, 2005 Before You're Pregnant During Your Pregnancy Complications Caring for Your Baby ... [View All Articles] Oligohydramnios What you need to know: Oligohydramnios is the term for too little amniotic fluid. This condition affects about 8 percent of pregnancies. It can develop at any time in pregnancy, although it is most common in the last trimester. About 12 percent of women whose pregnancies last two weeks beyond their due date develop oligohydramnios as amniotic fluid levels naturally decline. Oligohydramnios is diagnosed with ultrasound The most important known cause of oligohydramnios early in pregnancy is birth defects in the baby (often involving the kidneys or other parts of the urinary tract ) and ruptured membranes. The effect of oligohydramnios on the baby depends on the cause, the stage of pregnancy in which the problem occurs, and how little fluid there is. In the first half of pregnancy, too little amniotic fluid is associated with birth defects of the lungs and limbs and increases the risk of miscarriage preterm birth and stillbirth When oligohydramnios occurs in the second half of pregnancy, it is associated with poor fetal growth.

6. Pregnancy Today - Oligohydramnios When Amniotic Fluid Is Too Low Pregnancy Today oligohydramnios When Amniotic Fluid is Too Low http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

7. Medical References: Amniotic Fluid Abnormalities These conditions are referred to as oligohydramnios and polyhydramnios, respectively . oligohydramnios that occurs in the first half of pregnancy is more http://www.marchofdimes.com/professionals/681_4536.asp

View All Chapters Find Your Local Chapter September 9, 2005 Select one Folic Acid Pregnancy Prenatal Screening Infections/Diseases Loss Concerns Newborn Information Birth Defects Polio Genetics Research Funding Perinatal Statistics Medical References Continuing Education ... Genetics Amniotic Fluid Abnormalities The amniotic fluid that surrounds a developing baby plays a crucial role in normal development. This clear-colored liquid cushions and protects the baby and provides it with fluids. By the second trimester, the baby is able to breathe the fluid into his lungs and to swallow it, promoting normal growth and development of the lungs and gastrointestinal system. Amniotic fluid also allows the baby to move around, which aids in normal development of muscle and bone. The amniotic sac that contains the embryo forms about 12 days after conception. Amniotic fluid immediately begins to fill the sac. In the early weeks of pregnancy, amniotic fluid consists mainly of water supplied by the mother. After about 12 weeks, fetal urine makes up most of the fluid. The amount of amniotic fluid increases until about 28 to 32 weeks of pregnancy, when it measures a little less than 1 quart. After that time, the level of fluid generally stays about the same until the baby is full term (about 37 to 40 weeks), when the level begins to decline.

8. Oligohydramnios oligohydramnios http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

9. The Cochrane Library Abstract titled Maternal hydration for increasing amniotic fluid volume in oligohydramnios and normal amniotic fluid volume. http://www.update-software.com/ccweb/cochrane/revabstr/ab000134.htm

10. Complications Oligohydramnios Too Little Amniotic Fluid The causes of oligohydramnios are not completely understood. The majority of pregnant women who develop the condition have no identifiable risk http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

11. EMedicine - Polyhydramnios And Oligohydramnios : Article By Roland L Boyd, DO, F Polyhydramnios and oligohydramnios The amniotic fluid that bathes the fetus isnecessary for its proper growth and development. It cushions the fetus from http://www.emedicine.com/ped/topic1854.htm

(advertisement) Home Specialties Resource Centers CME ... Patient Education Articles Images CME Advanced Search Consumer Health Link to this site Back to: eMedicine Specialties Pediatrics Neonatology Polyhydramnios and Oligohydramnios Last Updated: June 10, 2002 Rate this Article Email to a Colleague Synonyms and related keywords: too much amniotic fluid, too little amniotic fluid, oligoamnios, oligamnios, fetal lung development, membrane rupture, fetal urine, fetal swallowing, Potter syndrome AUTHOR INFORMATION Section 1 of 9 Author Information Introduction Clinical Workup ... Bibliography Author: Roland L Boyd, DO, FAAP, FACOP , Neonatologist, Section of Neonatology, MCG Coauthor(s): Brian S Carter, MD , Associate Director, Associate Professor, Department of Pediatrics, Division of Neonatology, Vanderbilt University Medical Center and Gateway Medical Center Roland L Boyd, DO, FAAP, FACOP, is a member of the following medical societies: American Academy of Osteopathy American Academy of Pediatrics , and American College of Osteopathic Pediatricians Editor(s): Ted Rosenkrantz, MD

12. Prophylactic Versus Therapeutic Amnioinfusion For Oligohydramnios In Labour (Coc Abstract titled Prophylactic versus therapeutic amnioinfusion for oligohydramnios in labour. http://www.cochrane.org/cochrane/revabstr/ab000176.htm

From The Cochrane Library, Issue 2, 2005 Prophylactic versus therapeutic amnioinfusion for oligohydramnios in labour (Cochrane Review) Hofmeyr GJ ABSTRACT What's new in this issue Search abstracts Browse alphabetical list of titles Browse by Review Group A substantive amendment to this systematic review was last made on 04 December 1995. Cochrane reviews are regularly checked and updated if necessary. Background: Amnioinfusion aims to relieve umbilical cord compression during labour by infusing a liquid into the uterine cavity. Objectives: The objective of this review was to assess the effects of prophylactic amnioinfusion for oligohydramnios compared with therapeutic amnioinfusion only if fetal heart rate decelerations or thick meconium-staining of the liquor occur. Search strategy: The Cochrane Pregnancy and Childbirth Group trials register and Cochrane Controlled Trials Register were searched. Date of last search: October 2001. Selection criteria: Randomised trials comparing prophylactic with therapeutic amnioinfusion in women with oligohydramnios but not fetal heart rate deceleration in labour. Data collection and analysis: The reviewer assessed trial quality and extracted data.

13. Low Amniotic Fluid (oligohydramnios) Home Pregnancy Pregnancy Complications Low amniotic fluid (oligohydramnios) Approved by the BabyCenter Medical Advisory Board http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

14. EMedicine - Oligohydramnios : Article By Jason K Baxter, MD oligohydramnios Multiple definitions of oligohydramnios are used because noideal cutoff level for intervention exists. oligohydramnios is characterized http://www.emedicine.com/radio/topic898.htm

(advertisement) Home Specialties Resource Centers CME ... Patient Education Articles Images CME Patient Education Advanced Search Consumer Health Link to this site Back to: eMedicine Specialties Radiology Obstetrics/gynecology Oligohydramnios Last Updated: October 31, 2003 Rate this Article Email to a Colleague Synonyms and related keywords: decreased amniotic fluid, amniotic fluid volume, AFV, amniotic fluid index, AFI AUTHOR INFORMATION Section 1 of 11 Author Information Background And Definitions Normal Physiology Pathophysiology ... Bibliography Author: Jason K Baxter, MD , Fellow in Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Thomas Jefferson University Hospital Coauthor(s): Harish M Sehdev, MD , Assistant Professor, Department of Obstetrics and Gynecology, University of Pennsylvania; John W Breckenridge, MD, FACR , Clinical Assistant Professor, Department of Radiology, Division of Ultrasound, Thomas Jefferson University Hospital; Chair, Department of Radiology, Abington Memorial Hospital Jason K Baxter, MD, is a member of the following medical societies:

15. Oligohydramnios oligohydramnios SONOGRAPHIC ASSESSMENT AND CLINICAL IMPLICATIONS oligohydramnios Definition Brace and Wolf (1989) reviewed the literature http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

16. Low Amniotic Fluid (oligohydramnios) Learn the effects of too little amniotic fluid and what your doctor might prescribe. http://www.babycenter.com/refcap/pregnancy/pregcomplications/1199460.html

var ACM, oPopup, oDefPopup, offsetTop=10, offsetLeft=10; You seem to have disabled JavaScript. To take full advantage of our site and functionality, we recommend you enable Javascript. How? var ad1=''; document.write(ad1); Preconception Pregnancy Baby Toddler ... Pregnancy Complications Low amniotic fluid (oligohydramnios) Approved by the BabyCenter Medical Advisory Board By the BabyCenter editorial staff What is amniotic fluid? Where does it come from? How much fluid should I have? How can I tell if I have low amniotic fluid? ... Related Links What is amniotic fluid? Amniotic fluid is the liquid that surrounds your baby as he grows in the amniotic sac in your uterus during pregnancy. It cushions your baby against trauma (if you fall down, for example), keeps the umbilical cord from being compressed (which can reduce your baby's oxygen supply), and protects both your baby and your uterus from infection. Your baby will produce this fluid in his lungs and swallow it to help his breathing and digestive systems develop properly. Finally, amniotic fluid helps your baby develop muscle and bone by providing a zero gravity environment for him to move around in. var ad2=''; document.write(ad2);

17. Oligohydramnios.com oligohydramnios.com Home Sun, 17 Apr 2005 GMT http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

18. Pre- And Postnatal Lung Development, Maturation, And Plasticity To evaluate the effects of oligohydramnios on the distal pulmonary epithelium, we used methods described below to measure RTI 40 and RTII http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

19. Pre- And Postnatal Lung Development, Maturation, And Plasticity SPECIAL TOPIC Pre and Postnatal Lung Development, Maturation, and Plasticity Effects of oligohydramnios on lung growth and maturation in the fetal http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

20. Introduction: Oligohydramnios - WrongDiagnosis.com Introduction to oligohydramnios as a medical condition including symptoms,diagnosis, misdiagnosis, treatment, prevention, and prognosis. http://www.wrongdiagnosis.com/o/oligohydramnios/intro.htm

Home Symptoms Diseases Risks ... Diseases Search our medical database Subscribe to our free Newsletter sample Send this page to a friend Condition Lists By Organ By Symptom By Class By Prevalence ... List A-Z Current chapter: Oligohydramnios Next sections Basic Summary for Oligohydramnios Causes of Oligohydramnios Complications of Oligohydramnios Misdiagnosis of Underlying Causes of Oligohydramnios ... Treatments for Oligohydramnios Next chapters: Onychogryphosis Papilloedema Papilloma Parotitis ... Feedback Introduction: Oligohydramnios Oligohydramnios: Too little amniotic fluid around a fetus Treatments for Oligohydramnios: Various information is available about treatments available for Oligohydramnios , or research treatments for other diseases. Causes of Oligohydramnios: Research more detailed information about the causes of Oligohydramnios , other possibly hidden causes of Oligohydramnios , or other general information about Oligohydramnios Contents for Oligohydramnios: Basic Summary for Oligohydramnios Causes of Oligohydramnios Complications of Oligohydramnios Misdiagnosis of Underlying Causes of Oligohydramnios ... Glossary for Oligohydramnios Last revision: June 4, 2003

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