Family building at advanced parental age: an interdisciplinary approach

(i) Advanced age (40+ years old) parents who have undergone medically assisted reproduction in the past; (ii) Aspiring advanced age (40+ years old) parents (or their partners), undergoing medically assisted reproduction; (iii) Healthcare providers in the context of medically assisted reproduction with experience with advanced age (40+ years old) patients; (iv) Adult offspring (19-37 years old) with at least one advanced age (40+ years old) parent

Purposive sampling, snowball sampling

Semi-structured interviews were conducted between March 2022 and November 2023. All other relevant methodological information can be found in the published works, such as https://doi.org/10.1186/s12910-025-01259-5.