LGBT (lesbian, gay, bisexual, transgender), LGBTQ (lesbian, gay, bisexual, transgender, queer), LGBTIQA+( lesbian, gay, bisexual, transgender, intersex, queer and asexual and other forms of sexual orientation and gender identity), LGBTQIA2S+ (lesbian, gay, bisexual, transgender, questioning, intersex, asexual and two-spirit, and other forms of sexual orientation and gender identity): possibilities to identify yourself are growing as we speak. This topic lives and this community is more and more accepted in society. Discovering your identity, expressing yourself in a certain way, are all considerations that are more and more a part of your self-development. These new possibilities come inevitable with choices one has to make. This phenomenon can also be found in building a family, where developing fertility techniques provides growing possibilities of having children. Furthermore, co-parenting and known sperm donation are two popular ways to build a family. Pay attention, the term co-parenting is not used for divorced parents. It is defined as a type of parenthood where people who are not in a relationship raise a child together with or without any other partner(s). Although still relatively unknown to the majority of the society, the number of people starting this kind of arrangement rises. Subsequently, the term known sperm donation is used to describe a donor whose identity is known by the intended parent(s). However, if you have never heard of these terms, you are certainly not the only one. Even in the literature there is a lack of information about those non-traditional forms of parenting. To gain more insight in these rising topics, a questionnaire based on the lack of information about these two family types used by heterosexual couples, lesbian couples and single persons, was built. Concrete, two multiple-choice questionnaires were built, one for known sperm donation and one for co-parenting. Moreover, they were personalized depending on the specific situation one’s in. Soon, these questionnaires are going to be send to the people involved in this family type: the person who wants/wanted to become pregnant, the partner of the person who wants to become pregnant, the genetic father/known sperm donor and the partner of the genetic father/known sperm donor. You might think: why do you not use specific terms such as biological mother, rather than a description ‘the person who wants/wanted to become pregnant?’. This is because the situation can be more complex than expected: sometimes the mother who carries the child is not the genetic mother, which raises the question who in fact the biological mother is. You might think, why do you spend so much time on this topic while not a lot of people choose for this type of parenting? It is important for people who consider one of these options to make an informed decision. When they know the advantages and disadvantages of these types of parenting, they can anticipate on possible challenges or decide to opt for an alternative way of parenthood. By extension, this research is of interest to everyone: people considering co-parenting or known sperm donation sometimes have to go through different consultations in a fertility clinic. In the end, 57% of them do not proceed with this parenting process. The cost-effectiveness will raise when unnecessary consultations and therefore unnecessary spent money can be prevented. In Belgium, health care, which also includes fertility consultations, is mostly paid by taxes. Therefore, this spent money influences every citizen.