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Depression: 21st Century Solutions + The Dark Side of Wheat

Abstract Title:

[Routine ultrasonography in late pregnancy is not justified!].

Abstract Source:

Ugeskr Laeger. 2001 Oct 15;163(42):5813-4. PMID: 11685852

Abstract Author(s):

L S Bakketeig

Article Affiliation:

Syddansk Universitet, Institut for Sundhedstjenesteforskning.

Abstract:

UNLABELLED: This review should be cited as: Bricker L, Neilson JP. Routine ultrasound in late pregnancy (after 24 weeks gestation) (Cochrane Review). In: The Cochrane Library, Issue 3, 2000. Oxford: Update Software. A substantive amendment to this systematic review was last made on 01 October 1999. Cochrane reviews are regularly checked and updated if necessary.

BACKGROUND: Diagnostic ultrasound is used selectively in late pregnancy where there are specific clinical indications. However, the value of routine late pregnancy ultrasound screening in unselected populations is controversial. The rationale for such screening would be the detection of clinical conditions which place the fetus or mother at high risk, which would not necessarily have been detected by other means such as clinical examination, and for which subsequent management would improve perinatal outcome.

OBJECTIVES: To assess the effects on obstetric practice and pregnancy outcome of routine late pregnancy ultrasound, defined as greater than 24 weeks gestation, in women with either unselected or low risk pregnancies.

SEARCH STRATEGY: The Cochrane Pregnancy and Childbirth Group Specialised Register of Controlled Trials and the Cochrane Controlled Trials Register were searched.

SELECTION CRITERIA: All acceptably controlled trials of routine ultrasound in late pregnancy (defined as after 24 weeks).

DATA COLLECTION AND ANALYSIS: The principal reviewer assessed trial quality and extracted data, under supervision of the co-reviewer.

MAIN RESULTS: Seven trials recruiting 25,036 women were included. The quality of trials overall was satisfactory There was no difference in antenatal, obstetric and neonatal intervention or morbidity in screened versus control groups. Routine late pregnancy ultrasound was not associated with improvements in overall perinatal mortality. Placental grading as an adjunct to third trimester examination scan was associated with a significant reduction in the stillbirth rate in the one trial that assessed it. There is a lack of data with regard to long term substantive outcomes such as neurodevelopment. There is a lack of data on maternal psychological effects.

REVIEWERS' CONCLUSIONS: Based on existing evidence, routine late pregnancy ultrasound in low risk or unselected populations does not confer benefit on mother or baby. There is a lack of data about the potential psychological effects of routine ultrasound in late pregnancy, and the effects on both short and long term neonatal and childhood outcome. Placental grading in the third trimester may be valuable, but whether reported results are reproducible remains to be seen, and future research of late pregnancy ultrasound should include evaluation of placental textural assessment.

Study Type : Meta Analysis
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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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