Adoptees are studied more as children than as adults. While there is nevertheless a large body of research on adopted adults, little of this has focused on the families they build. Adoptees' parenthood has been particularly neglected. The few studies conducted on this subject up to now all had serious methodological flaws, and were not interested in adoptees who either refuse to become parents or, at the other extreme, invest massively in parenthood. In the present study, our objective was therefore to better understand the experience and determinants of two specific attitudes toward parenthood among adoptees: refusal and massive investment. We carried out semistructured interviews with 13 adopted adults who held just such attitudes toward parenthood. The interview transcripts were submitted to a thematic analysis using QDA Miner 5 software. This analysis shed light on the experiences of adoptees who either refuse parenthood (satisfaction, parenting by proxy, views on child adoption) or invest massively in it (parenting style, desire for children, difficulties encountered), as well as on the determinants of these positions (impact of adoptee status, relationships with adoptive parents and with partners). These results enhance current understanding of the potential distress of adoptees regarding parenthood, as