Background Childbirth is often seen as an existentially important life event. However, few studies focus on the experience from the woman's perspective. The aim and research questions The aim of this study was to explore women's experiences of strength and health during childbirth through an ontological understanding. What enables women to experience strength and health during childbirth? Research design, participants and research context A hermeneutical approach was used. The material consists of texts from interviews with eight women who have recently (a few days to some weeks) given birth. The texts were interpreted through latent content analysis. Ethical considerations Informed consent was sought from the participants regarding participation in the study and the storage and handling of data for research purposes. Findings The overall theme was ‘Childbirth as a movement towards becoming in health’. The three main themes were as follows: ‘The self as a source of strength’, ‘The other as a source of strength in communion’ and ‘Alleviation of suffering as a source of strength’. Seven subthemes were also described. Conclusion Childbirth may be seen as a potential path towards becoming in health. The midwife has a central position in supporting women's experiences of health. Family‐centred care may enhance women's experiences of becoming in health during childbirth. Further research in this field should focus on revealing midwives’ perspectives on what gives women health in connection with childbirth.