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| موضوع: Fetal distress الأحد ديسمبر 06, 2009 10:11 pm | |
| In medicine (obstetrics), fetal distress is the presence of signs in a pregnant woman[1]—before or during childbirth—that the fetus is not well or is becoming excessively fatigued.
Signs and symptoms
Signs and symptoms of fetal distress include: Decreased movement felt by the mother Meconium in the amniotic fluid Cardiotocography signs increased or decreased fetal heart rate (tachycardia and bradycardia), especially during and after a contraction decreased variability in the fetal heart rate Biochemical signs, assessed by collecting a small sample of baby's blood from a scalp prick through the open cervix in labour fetal acidosis elevated fetal blood lactate levels indicating the baby has a lactic acidosis
Some of these signs are more reliable predictors of actual distress than others. For example, cardiocartography can give high false positive rates, even when interpreted by highly experienced medical personnel. Acidosis is a highly reliable predictor, but is not always available. A highly effective method of assessment of distress would be to use fetal heart rate as a first indicator of distress, to be confirmed with a more reliable method of diagnosis before radical treatment is performed.
Causes
There are many causes of fetal distress: Breathing problems Abnormal position and presentation of the fetus Multiple births Shoulder dystocia Umbilical cord prolapse Nuchal cord Placental abruption Premature closure of the fetal ductus arteriosus
Treatment
In many situations fetal distress will lead the obstetrician to recommend steps to urgently deliver the baby. This can be done by induction, or in more urgent cases, a caesarean section may be performed. | |
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| موضوع: رد: Fetal distress الأحد ديسمبر 06, 2009 11:58 pm | |
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الجوهرة المصونة *****
المشاركات : 17164
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| موضوع: رد: Fetal distress الإثنين ديسمبر 07, 2009 12:24 pm | |
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