Abstract Background The experience of childbirth crucially impacts a mother’s psychological well-being and the mother-infant relationship. It is recognised that negative births can be linked to different forms of discomfort, both for the mother as well as for the infant. This prospective longitudinal study aimed to study the effect of obstetric and psychological variables on women’s subjective experience of childbirth. Methods 111 primiparous Italian women completed a set of questionnaires at 38–40 weeks of pregnancy (Time 1) and 1–5 days after childbirth (Time 2). Sociodemographic and obstetric information were collected. Data about the childbirth were obtained from the mother’s ward birth records. Women completed the Wijma Delivery Expectancy/Experience Questionnaire both before and after childbirth. Results The subjective experience of birth was significantly predicted by the duration of the expulsive phase (β = .26; p