PMID: 6166316Jul 1, 1981Paper

Clinical significance of suspicious antepartum cardiotocograms: a study of normal and high-risk pregnancies

British Journal of Obstetrics and Gynaecology
M J Keirse, J B Trimbos

Abstract

Analysis of 594 antepartum cardiotocograms (CTGs) from 91 strictly normal pregnancies and of 2770 CTGs from 405 high-risk pregnancies showed a suspicious pattern in 7.2 and 17.4 per cent respectively. Careful analysis of these CTGs shows that they cannot be considered as either normal or abnormal, whereas their value for predicting the outcome of pregnancy is too limited to be of a direct clinical significance. Although their characteristics vary little between normal and high-risk pregnancy, their recurrence rate is much higher in high-risk pregnancy. During high-risk pregnancy this pattern was obtained on at least two consecutive recordings in 13.3 per cent and on at least three consecutive recordings in 6.2 per cent of patients, as compared to respectively 3.3 and 1.1 per cent during normal pregnancy. Although a single or even repeat occurrence of a suspicious CTG does not justify intervention during pregnancy, our study shows that an adequate follow-up of repeat CTGs will usually be able to distinguish pregnancies that are in need of intervention from those that are not.

References

Feb 1, 1979·American Journal of Obstetrics and Gynecology·E R LyonsM E Towell
Feb 1, 1979·British Journal of Obstetrics and Gynaecology·A M FlynnM O'Conor
Dec 1, 1978·British Journal of Obstetrics and Gynaecology·J B Trimbos, M J Keirse
Dec 1, 1978·British Journal of Obstetrics and Gynaecology·J B Trimbos, M J Keirse
Jan 1, 1979·American Journal of Obstetrics and Gynecology·L R EvertsonR H Paul
Apr 9, 1977·British Medical Journal·A M Flynn, J Kelly
May 1, 1977·British Journal of Obstetrics and Gynaecology·G H Visser, H J Huisjes
Nov 15, 1976·American Journal of Obstetrics and Gynecology·F RochardC Sureau
Apr 1, 1980·British Journal of Obstetrics and Gynaecology·M J Keirse, J B Trimbos

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Citations

Jun 27, 2003·Journal of Perinatal Medicine·Maurizio M AnceschiErmelando V Cosmi
Apr 1, 1986·American Journal of Obstetrics and Gynecology·J A LowE J Karchmar
Jun 1, 1984·British Journal of Obstetrics and Gynaecology·G W LawsonC Redman
Oct 1, 1986·International Journal of Gynaecology and Obstetrics : the Official Organ of the International Federation of Gynaecology and Obstetrics·H J Odendaal, T J Kotze
May 1, 1984·The Australian & New Zealand Journal of Obstetrics & Gynaecology·G H Visser
Dec 1, 1994·British Journal of Obstetrics and Gynaecology·N MahadevanP Steer
Jun 1, 1983·British Journal of Obstetrics and Gynaecology·G L HensonC W Redman
Jan 1, 1990·Health Care for Women International·C LedbetterK Forrest

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