Childbirth-related fatigue trajectories during labour

Ya Ling Tzeng, Yu Mei Y Chao, Shu Yu Kuo, Yu Kuei Teng

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


Aim. This paper is a report on a study identifying trajectories of childbirth-related fatigue intensity changes over time and the influencing factors related to specific trajectory patterns. Background. Childbirth is a period of time that encompasses considerable physiological and psychological fatigue, often having an adverse impact on women in labour. Empirical studies on this issue are scarce. How childbirth-related fatigue changes over time, and factors influencing fatigue development, remain unclear. Method. A prospective, correlational design with repeated measures was used. Data were collected by self-reported measures and laboratory analysis of blood specimens. From December 2004 to November 2005 a convenience sample of 209 low-risk pregnant Taiwanese women was followed throughout the labour process. Repeated measures of fatigue were analysed by using a semiparametric mixture model. Variables explaining trajectory class membership were identified by means of logistic regression. Results. Two distinct trajectories of childbirth-related fatigue were identified: low intensity (30.8% of women) and high intensity (69.2% of women). Fatigue level of both classes intensified following labour. The fastest period of fatigue-increasing rate was in the active phase. After birth, fatigue levels in the high-fatigue intensity class remained high. Primiparas in the high-fatigue intensity class experienced significantly more anxiety and higher lactate concentration at admission than the low-intensity class. Conclusion. Caregivers should endeavour to prevent high levels of fatigue once women enter the labour phase. Women who present with high fatigue at onset of labour should be targeted for early intervention, especially in the period of rapid fatigue increase.

Original languageEnglish
Pages (from-to)240-249
Number of pages10
JournalJournal of Advanced Nursing
Issue number3
Publication statusPublished - Aug 2008
Externally publishedYes


  • Childbirth
  • Empirical research report
  • Fatigue
  • Midwifery
  • Pain
  • Sleep

ASJC Scopus subject areas

  • Nursing(all)


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