Background Given the relevance of paternal involvement in maternal care, there is a need to prepare first-time fathers to participate in pregnancy and childbirth actively. This study explores the experiences and needs of first-time fathers and the influence of these on their involvement during pregnancy and childbirth in Nigeria. Methods A descriptive qualitative study was conducted. Semi-structured interviews with 50 men recruited from rural and urban workplaces, hospitals, and markets, generated data used to explore the experiences, views and needs of first-time fathers’ in pregnancy-related care in south-east Nigeria. All data were transcribed and analysed using thematic analysis. Results Six major themes were identified: gender roles, antenatal involvement, care costs and delivery choices, need to be informed, dealing with emotions, and dealing with the delivery day. A key finding was that inexperience, cultural beliefs and perceptions of gender norms greatly influenced the support provided by first-time fathers to their spouses, and the support they received from their social support networks. Two primary needs were identified: need to be informed and the need to know about the cost of care in health settings. First-time fathers acknowledged the role of information on their decision making and final choices. Conclusion Findings reveal the influence of gender norms, beliefs, and social support on first-time fathers’ involvement in pregnancy and childbirth. This study also highlights the urgent need to provide informational support for first-time fathers and presents insights into what hospitals can do to achieve this need. Keywords: male involvement, first-time fathers, pregnancy, qualitative, Nigeria