Sexual health concerns in women with intellectual disabilities: a systematic review in qualitative studies

To investigate and identify the sexual health needs of women with ID, we decided to include only qualitative study designs in this review. There were three reasons to focus on this type of study. First, qualitative studies can provide a deep understanding of participant’s attitudes, beliefs, interactions, experiences and behaviors [23]. Second, some concerns and needs in sexual health may be unique among the participants that are not reflected completely in quantitative studies. Third, in qualitative studies, researchers are able to evaluate human behaviors more extensively than quantitative studies [23]. Thus, the observational studies (case-control, prospective, cross-sectional studies), experimental (quasi-experimental and randomized controlled trials), and review articles (narrative, scoping and systematic reviews) were excluded. In this study, young women with intellectual disabilities (older than 16) were included. Sixteen was selected to represent the age of consent for sexual relations in many countries, however the age to consent in some countries or states may be lower or higher.

In addition, we excluded non-English language studies and grey literature (such as books, dissertations, conference abstracts) from the research. For studies without full text access, we sent an email to the authors and asked them to send the article. Other criteria to include and exclude studies has been provided below. Furthermore, the process of systematic review of the literature is shown in Fig. 1. In some studies men and women with ID had participated in the study. We included these studies as well and extracted only the women’s quotations.

According to PICOS, the related criteria to include studies were:

The related criteria to exclude studies included:

This structured review was conducted using the guidelines of Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA). The literature search included four bibliographic databases; “Web of Science”, “PubMed”, “Scopus” and “PsycINFO” involving all of the related studies from January 2000 to December 2017. Searches were conducted from June to August 2018. The studies were searched based on two main foci: (1) sexual health; and (2) women with ID. Our keywords to search articles were a combination of the words sex, sexual activity, sexual abuse, disability, intellectual disability, developmental disability and qualitative. Moreover, hand-searching reference lists of the included papers was applied to further identify articles which met our inclusion criteria. The results of our search procedure in the four selected databases were 274 references which were exported to EndNote software version X7. The search strategies to find the relevant studies is shown in Table 1.

We set up a checklist in which the needed information such as authors, year, country, methodology, samples, study perspective, themes and main findings were extracted from the included studies. Searching and identifying the studies was executed by the corresponding author. The third and fourth authors of the present study (FD and AKK), summarized the findings and categorized the required information according to the prepared checklist. To ensure the validity of the checklist information, the corresponding author (SS) checked the accuracy of the extracted data. We identified all disagreements and resolved them by consensus after discussion. Also, we used MAXQDA version 11 to code and categorize qualitative data.

Quality assessment of qualitative studies is a frequently debated topic in the literature. Contrary to qualitative studies, determining reliable criteria to assess the quality of qualitative studies may be a complicated problem for researchers. Given the aim of the study, we assessed the quality of the included studies using the Consolidated Criteria for Reporting Qualitative Research (COREQ) [24]. The quality assessment included the topics of study design, research framework, sampling method, gathering appropriate data according to aim of the study, data analysis approach, appropriate categorization of findings, reporting the findings and related data (photographs or quotes), etc. Two independent researchers who had no additional contribution to this study assessed the quality of included studies using a 5 point Likert scale. In order to apply the COREQ in the review process, we held two training sessions for the researchers. All items in the checklist were assessed and scored (from 1 to 5) by both researchers separately and the mean score was determined as the final score of the quality assessment. Therefore, in the final step of the review, we included studies that earned 3 points or higher.

Across the studies, participants identified lack of sexual knowledge as a main barrier for women with ID to experience a healthy sexual relationship. Limited knowledge of contraceptive methods, sexual behaviours, sexual abuse, and the process of sexual intercourse and pregnancy were reported. In most studies, participants had a simplistic understanding of the process of sexual intercourse yet, in a limited few, women with ID possessed a sophisticated understanding of sexual intercourse. For example in Eastgate et al.’s study, some participants with mild ID had correct information about menses, time of ovulation and sperm motility. In others, participants lacked knowledge of the basics about males’ bodies and some women with ID did not know how to develop a sexual relationship with men [27]. For example, some participants had problems defining the progression from kissing or touching to a penetrative relationship.

One of the major reasons for limited knowledge of sexual health can be attributed to the lack of access to comprehensive sexuality education. The review of findings indicated that the absence of sexuality education was a serious concern and detriment to the sexual health for women with ID. Some participants in the studies explained that they have not received any school-based sexuality education. For example, they were excluded from the classroom during sexuality education lessons. Women with ID in some schools were forbidden to talk about sexuality as it was considered an illegal act for them [41]. Some remarked that sexuality education was very general and thus they were not able to obtain complete information about their sexuality and bodies [26]. Also, participants noted that as adults, they need sexuality education to form romantic relationships and to become parents. Regarding the needs mentioned by women with ID, this education can be provided by knowledgeable parents, teachers and health professionals and consistently reinforced.

Some participants had to hide their sexual experiences and their consensual sexual contact in institutions or group homes because of prohibitive rules, negative attitudes towards their sexuality and lack of privacy. Stoffelen et al. found that women with ID desiring same-sex relationships experienced difficulty talking about their sexual orientation freely [34]. In Berenert et al.’s study, participants had a negative perception of sexual intercourse [1]. Engaging in some sexual acts was physically painful for them and the frequency of sexual intercourse was not a pleasant experience for some participants. For example one of the women described sex as “Sickening. That’s how I think of it anymore. It’s disgustingly gross, all [he] wanted was sex, but I didn’t like havin’ it all sex, all the time” (p. 245) [1]. Some participants were not curious about sex and felt regret having sex at younger ages because they were not ready to have a sexual relationship [1, 30, 48]. Some participants described sex as ‘ugly, dirty, bad, disgusting, and displeasurable’(p. 245), and worried about their first sexual intercourse in the future, stating that it would be scary [1]. In addition, they were worried about the sexual health problems of their partner. Women with ID were scared of the negative consequences of sex like unintended pregnancy or sexually transmitted infections. Unwanted pregnancies in sexual intercourse between people with ID was one of the major concerns of families [37, 49, 50].

Many of the women with ID noted that they had little control over their lives. Lack of autonomy caused limited opportunities for women with ID to form friendships and romantic relationships. Women with ID living in institutions had to behave according to the institution’s rules. In Kelly et al.’s study women with ID noted that their relationships with partners are controlled by staff in the institutions and thought that they were not trusted to have a healthy romantic relationship [18]. Also, in Bjornsdottir et al.’s study, which included both male and female participants, women seemed to be controlled by families and staff for sexual activities, fertility and sterilizations at a greater degree than males [26]. For example one of participants in the included studies stated that “I wasn’t allowed to move to the group home unless I had the sterilization” (p. 304). Not only were the participants’ decisions and choices about an intimate relationship restricted by families or caregivers but also the lack of services and stigmas perpetuated by society delimited their options. They noted that people think that they cannot have a sexual or friendly relationship because of ID [31]. Also, they mentioned that being controlled by families has affected the quality and stability of their relationships with their boyfriends. This problem would lead to dissatisfaction among women with ID so that they were not able to express their sexuality openly. Also, Rushbrooke and colleagues identified some internal and external factors contributing to a lack of control by women with ID [31]. Internal factors included being passive in relationships, perceived ability to cope, and insufficient opportunities to create social contacts and spend time with partners. External factors were categorized as the influence of others and the impact of policy. The participants stated that being controlled along with negative experiences caused a lack of confidence and anxiety.

One of the important needs of women with ID to have a safe sexual relationship was finding an intimate partner. In Stoffelen et al.’s study, although the participants reported they desired a partner, they did not know how to find one [34]. They need support to seek a partner but their caregivers did not know how to provide proper support. Women with ID need opportunities and venues to socialize to provide opportunities to meet an appropriate partner. In Chou et al.’s study, participants mentioned that they were attracted to and had feelings for their teachers or male relatives in secret. For example one of the women with ID stated that “I have liked my teacher at the gas station (workplace) for two years. But I am shy to tell him” (p.672) [30]. Furthermore, women with ID experienced problems with ending an intimate relationship when they did have a partner. Some women with ID reported that they have boyfriends but they need supports to find a place to make love [34]. Additionally, discrimination in providing supports was one of the concerns mentioned by women with ID. They noted that men with ID faced less barrier to get married and their families agree to the marriage of their children [31].

In the included studies, many of the participants had stated negative experiences concerning sexuality in their lives. Sexual abuse by friends and colleagues frequently was reported by women with ID. Being forcibly kissed, viewed or touched inappropriately, and raped were experiences reported by women with ID [30]. Sexual abuse usually happened in public places like institutions, schools, public transportation, and workplaces [30, 31, 41]. When reporting sexual abuse to police or other authorities, women with ID encountered negative reactions from their families or caregivers. Some of the interviewees had experienced sexual abuse beginning as involuntary sterilization during their adolescence.

Vulnerability was one of the considerable concerns mentioned by women with ID or their caregivers. In some studies, the limited knowledge of and the lack of skills needed for healthy sexual contacts would make them especially vulnerable to sexual abuse. Eastgate found that disempowerment can increase the probability of sexual exploitation. For instance the mother of a woman with IDs stated that “I think she would just want to make that person happy and do whatever they want her to do … she does things to please people”(p.136) [37]. In the included studies, a variety of unwanted actions such as manipulation and coercion were mentioned as sexual abuse by women with ID. Some studies reported that emotional relationships that occur in secret may increase the risk of sexual abuse for women with ID. But the findings of Schaafsma et al. show that public places like schools and institutions can leave women with ID more vulnerable to different types of physical and verbal abuse. In this particular study, women with ID who had experienced sexual abuse stated that they were targeted because they had been sterilized and thus could not become pregnant as a result of the abuse [28]. As a result, the experience of sexual abuse would lead to fear of new emotional relationships among participants in the future.

Due to a speech and cognitive impairments, women with ID faced problems to talk about sexuality issues. They were not able to explore and specify their sexual needs. Some participants had problems recalling previous learning about sexual topics [41]. Cognitive challenges affect social interactions among women with ID. Some women with ID reported that they were not able to express their feelings and sexual needs [45]. In the included studies, some participants noted that women with lower intellectual functioning had less of a chance to create and maintain an intimate relationship [35, 51].

The feeling of embarrassment was one of the considerable problems of women with ID to find a partner and create an intimate relationship. The attribute would affect sexual expression among women with ID. In some studies, participants were shy to discuss about topics like masturbation, sexual intercourse and sterilization [30]. Some interviewees with ID preferred to attend classes with a familiar teacher or only with a woman to receive sex education. In Löfgren-Martenson’s study, one of the participant noted that she never talk to anyone about sexuality and this was a painful problem for her [45]. In addition, some studies indicated that some parents and carers are shy to provide sexual guidance for women with ID [31, 32, 34].

Lack of information in relation to sexuality was one the concerns mentioned by women with ID in the included studies. Because of limited intellectual capacities they faced barriers to seek the needed information. Also, lack of literacy and the communication skills such as listening, eye contact and empathy would exacerbate their access to sexual health information [41]. They received their information randomly through their friends or relatives [18]. Thompson et al. found that limited sexual health resources was one of the major barriers to access the needed information among women with ID [20].

Our study face some limitations. This study only represented the sexual health concerns of women with ID, while females with ID aged under 16 years and other women with disabilities (e.g. hearing impairments, physical disabilities, mental disorders and vision loss) may have different concerns and needs that can be investigated in future studies. We did not include gray literature and non-English language articles which in turn may affect the findings of the present study. Our study did not examine the sexual health concerns in men with ID. Men with ID may have complex and unique needs and concerns due to different psychological, biological, cultural and environmental factors that can be investigated in future studies [8, 60]. To look for more relevant articles, and regarding that the databases had different features to search data, we used different search terms to find the included articles. Furthermore, it should be noted that we included papers published from January 2000 to December 2017. We think that the coronavirus pandemic was one of the main reasons for the delay in the peer review process.

Participating in educational and supportive programs can help promote constructive options to develop healthy relationships for women with ID. Families need to provide more opportunities for women with ID to express their feelings. Families should act as a facilitator and provide needed information for women with ID so that they can make their own choices and develop their autonomy. Respecting the feelings and desires of women with ID should be considered by families and policymakers. Cultural provisions and religious constraints are notable barriers to the sexual expression of homosexual people with ID that should be considered in future research and policy endeavors.