BackgroundBreast cancer has the highest incidence rate among malignant tumors in China, with a trend of affecting younger women. The treatment has short- and long-term adverse effects such as damage to the ovaries, which may result in infertility. Such consequences then increase patients’ concerns over future reproduction. At present, nor do medical staffs continuously assess their overall well-being, or ensure that they have the knowledge necessary to manage their reproductive concerns. This qualitative study aimed to explore psychological and reproductive decision-making experiences of young women who had experienced childbirth after their diagnosis.MethodsThe phenomenological research, as a kind of qualitative study, was conducted on 12 young women who experienced childbirth after breast cancer diagnosis. Data collection was from September 2021 to January 2022 and content analysis method was used to analyze the data.ResultsFive main themes were identified: (1) desire for childbearing from individual, familial, and social aspects after the diagnosis of breast cancer; (2) emotional experiences through pregnancy till raising children; (3) support needs from professionals, family, and peer; (4) self and doctors’ influencing factors on reproductive decision-making; and (5) satisfaction with the outcome of reproductive decision-making.ConclusionsThe desire for childbearing of young women should be considered during the reproductive decision-making process. A multidisciplinary team is suggested to be set up to provide professional support. During the reproductive process, professional and peer support should be strengthened to improve decision-making abilities, alleviate negative emotional experience, and smoothen the process of reproductive experience for young patients.