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. 2018 Dec;53(6):4437-4459.
doi: 10.1111/1475-6773.12721. Epub 2018 Jan 19.

Does the Use of Diagnostic Technology Reduce Fetal Mortality?

Jostein Grytten  1   2 , Irene Skau  1 , Rune Sørensen  3 , Anne Eskild  2
Affiliations

Does the Use of Diagnostic Technology Reduce Fetal Mortality?

Jostein Grytten et al. Health Serv Res. 2018 Dec.

Abstract

Objective: To examine the effect that the introduction of new diagnostic technology in obstetric care has had on fetal death.

Data source: The Medical Birth Registry of Norway provided detailed medical information for approximately 1.2 million deliveries from 1967 to 1995. Information about diagnostic technology was collected directly from the maternity units, using a questionnaire.

Study design: The data were analyzed using a hospital fixed-effects regression with fetal mortality as the outcome measure. The key independent variables were the introduction of ultrasound and electronic fetal monitoring at each maternity ward. Hospital-specific trends and risk factors of the mother were included as control variables. The richness of the data allowed us to perform several robustness tests.

Principal finding: The introduction of ultrasound caused a significant drop in fetal mortality rate, while the introduction of electronic fetal monitoring had no effect on the rate. In the population as a whole, ultrasound contributed to a reduction in fetal deaths of nearly 20 percent. For post-term deliveries, the reduction was well over 50 percent.

Conclusion: The introduction of ultrasound made a major contribution to the decline in fetal mortality at the end of the last century.

Keywords: Obstetrics/Gynecology; econometrics; maternal and perinatal care and outcomes; technology adoption/diffusion/use.

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Figures

Figure 1
Figure 1
The Proportion of Fetal Deaths, According to Year and Gestational Age Period, 1967–2011
See this image and copyright information in PMC

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