Continuing experience with the fetal acoustic stimulation test

C. V. Smith, J. P. Phelan, H. N. Nguyen, N. Jacobs, R. H. Paul

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


Antepartum fetal heart rate testing remains a useful method with which to assess fetal well-being in high-risk pregnancies. Recently the adjunctive use of transabdominal acoustic stimulation was proved effective in reducing the number of nonreactive nonstress tests (NSTs) without changing the predictive reliability of the test. Our continuing experience with this method involved 1,503 women undergoing 3,935 tests. A reactive test occurred in 93%, and the fetal death rate was 1.3/1,000. In an attempt to evaluate the incidence of mortality in a large population, data from the current investigation were pooled with those from other reports from our institution. In our aggregate experience of 7,763 tests, fetal death occurred within seven days of a reactive test with an incidence of 1.9/1,000 in patients receiving acoustic stimulation. This finding contrasts favorably with a death rate of 1.6/1,000 in fetuses with spontaneous reactivity. Fetal acoustic stimulation testing seems to offer advantages over the more traditional NST, and the predictive values of normal tests seem to be equivalent.

Original languageEnglish (US)
Pages (from-to)365-368
Number of pages4
JournalJournal of Reproductive Medicine for the Obstetrician and Gynecologist
Issue number4
StatePublished - 1988
Externally publishedYes

ASJC Scopus subject areas

  • Reproductive Medicine
  • Obstetrics and Gynecology


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