Publications by authors named "Dancet Eaf"

Study Question: Does offering the Pleasure&Pregnancy (P&P) programme rather than expectant management improve naturally conceived ongoing pregnancy rates in couples diagnosed with unexplained infertility?

Summary Answer: The P&P programme had no effect on the ongoing pregnancy rates of couples with unexplained infertility.

What Is Known Already: Underpowered studies suggested that face-to-face interventions targeting sexual health may increase pregnancy rates. The impact of an eHealth sexual health programme had yet to be evaluated by a large randomized controlled trial.

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Study Question: How were the logbook and curriculum for the Nurses and Midwives Certification Programme of ESHRE developed?

Summary Answer: The logbook and corresponding curriculum for the ESHRE Nurses and Midwives Certification Programme were based on an extensive literature review, an international expert panel, and a survey of Belgian and Dutch nurses and midwives (N&M) working in reproductive medicine (RM).

What Is Known Already: ESHRE has been running a certification programme for N&M working in RM since 2015. To the best of our knowledge, clinical practice guidelines for nursing/midwifery care within RM are lacking as is consensus on role descriptors of N&M working in RM.

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Objective: The objective of this study was to examine the hypothesis that experiences with patient-centered endometriosis care are related to the endometriosis-specific quality of life dimensions "emotional well-being" and "social support."

Design: A secondary regression analysis of two cross-sectional studies was conducted. Participants/Materials: In total, data from 300 women were eligible for analysis.

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Infertility threatens the life goal of parenthood and, hence, quality of life (QoL) of (wo)men, but the fertility clinic trajectory might be burdensome. This review of longitudinal studies and pilot longitudinal study examines the impact of the pre-in vitro fertilization (IVF) fertility clinic trajectory on patient-reported outcome measures (PROMs) for emotional well-being, including QoL. A publication found that the diagnostic workup decreases men's infertility-specific distress while publications disagree whether it decreases (wo)men's anxious and depressive reactions.

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European patients cross the borders of their countries to receive more patient-centred healthcare. Benchmarking across European countries for the patient-centredness of endometriosis care had yet to be performed. This study proved the factorial structure and reliability of translation of the ENDOCARE questionnaire in nine different languages.

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Study Question: What are the experiences and the support and sexual advice needs of subfertile couples continuing to attempt natural conception after the diagnostic fertility work-up?

Summary Answer: Exploration of the experiences of couples showed that couples would have appreciated fertility clinic staff embedding expectant management into the fertility clinic trajectory, supportive staff with female and male patient interactions and advice on common experiences of peers and on managing their lifestyle, distress and subfertility-related sexual challenges.

What Is Known Already: Dutch and British professional guidelines advise newly diagnosed subfertile couples with a 'good prognosis' to continue to attempt natural conception and do not require fertility clinic staff to interact with patients. Fertility clinic staff and subfertile couples struggle to follow these guidelines as they feel an urgent need for action.

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This review appraises evidence on the difference between single- and double-embryo transfer (SET, DET) in assisted reproductive technology (ART) regarding the four healthcare quality dimensions most important to fertility patients and doctors. Regarding safety, not only does DET create the uncontested perinatal risks of twin pregnancies, but compelling evidence has added that singleton pregnancies after a vanishing twin also have poorer perinatal outcomes. SET is as effective as DET, as shown by meta-analyses of randomized controlled trials, comparing two cycles of SET versus DET and shown by cumulative live birth rates of entire ART trajectories of up to six cycles.

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Study Question: Which success rates do female and male IVF patients expect, what determines their expectations and do patients reconsider their expectations after receiving a personal IVF prognosis at the expense of anxious reactions?

Summary Answer: Female and male IVF patients have unrealistic high expectations which are positively associated with their dispositional optimism, and which are only reconsidered by patients receiving a less than average IVF prognosis, which leads to more anxious reactions in females.

What Is Known Already: Female patients undergoing IVF are known to have unrealistic expectations of the success of their own IVF cycle. The available evidence suggests women expect above average performance of their fertility clinic and (family) reproductive systems.

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Study Question: What information and support should be offered to donors, intended parents and donor-conceived people, in general and in consideration of the availability of direct-to-consumer genetic testing and matching services?

Summary Answer: For donors, intended parents and donor-conceived offspring, recommendations are made that cover information needs and informed consent, psychosocial implications and disclosure.

What Is Known Already: Trends indicate that the use of donor-assisted conception is growing and guidance is needed to help these recipients/intended parents, the donors and offspring, navigate the rapidly changing environment in which donor-assisted conception takes place.

Study Design Size Duration: A working group (WG) collaborated on writing recommendations based, where available, on evidence collected from a literature search and expert opinion.

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Cycle monitoring via ultrasound and serum-based hormonal assays during medically assisted reproduction (MAR) can provide information on ovarian response and assist in optimizing treatment strategies in addition to reducing complications such as ovarian hyperstimulation syndrome (OHSS). Two surveys conducted in 2019 and 2020, including overall 24 fertility specialists from Europe, Asia and Latin America, confirmed that the majority of fertility practitioners routinely conduct hormone monitoring during MAR. However, blood tests may cause inconvenience to patients.

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Study Question: Can we develop a preconception lifestyle programme for couples undergoing IVF that is in line with their needs.

Summary Answer: A mobile preconception lifestyle programme was systematically developed based on expert opinion, literature and needs of IVF-patients.

What Is Known Already: A healthy lifestyle prior to conception is not only beneficial for the general health of couples, but evidence on its importance for their reproductive health and the health of their children is also emerging.

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Study Question: How do women, who have just been diagnosed with breast cancer, experience oocyte or embryo banking?

Summary Answer: Fertility preservation was a challenging yet welcome way to take action when confronted with breast cancer.

What Is Known Already: Fertility preservation for women with breast cancer is a way to safeguard future chances of having children. Women who have just been diagnosed with breast cancer report stress, as do women who have to undergo IVF treatment.

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Study Question: What are the patient-specific determinants associated with patient-centered endometriosis care as measured by the ENDOCARE questionnaire (ECQ)?

Summary Answer: 'Overall grade for endometriosis care', 'educational level', 'membership of a patient organization' and 'having seen other specialists for endometriosis complaints' are correlated with overall patient-centeredness scores (PCS).

What Is Known Already: Patient-centeredness of endometriosis care can be evaluated using the validated ECQ. The ECQ leads to an overall PCS and separate PCS for 10 dimensions of endometriosis care.

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Study Question: What is the performance of the patient-centredness of endometriosis care in a secondary and a tertiary care setting and how can it be improved?

Summary Answer: Overall, patient-centredness was comparable in the two endometriosis care centres, but differed regarding 'physical comfort' and 'continuity and transition'; both centres can learn how to improve several of their targets from the other's strengths.

What Is Known Already: The ENDOCARE questionnaire (ECQ) is a validated questionnaire for assessing the important quality dimension 'patient-centredness'. Patient-centredness is associated with quality of life, although this should be explored further by larger-scale studies.

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Study Question: Can we develop a web-based sex education programme (programme running in a web browser) that addresses the needs of subfertile couples who are advised expectant management for at least 6 months?

Summary Answer: The 'Pleasure & Pregnancy' programme addresses couples' needs, is likely to improve couples' sexual functioning, and is subsequently hypothesised to improve the chance of natural pregnancy.

What Is Known Already: According to professional guidelines (e.g.

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Introduction: Many subfertile couples are diagnosed with (relatively) unexplained subfertility and a good prognosis. National professional guidelines (eg, the Netherlands and UK) advise 'expectant management (EM)' for 6-12 months, in which no interaction with healthcare staff is offered. Underpowered studies indicate that face-to-face sex-counselling increases the ongoing pregnancy rates of these couples.

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Research Question: How much do patients with severe infertility and their gynaecologists value genetic parenthood relative to other key treatment characteristics?

Design: A discrete choice experiment included the following treatment characteristics: genetic parenthood, pregnancy rate, curing infertility, maternal health, child health and costs. The questionnaire was disseminated between 2015 and 2016 among Dutch and Belgian patients with severe infertility and their gynaecologists.

Results: The questionnaire was completed by 173 patients and 111 gynaecologists.

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The patient-centeredness of care is important for health care quality, especially because it was recently associated with health-related quality of life, which is increasingly being recognized as the ultimate outcome parameter of health care. Therefore, insight into the definition, measurement, and current status of the patient-centeredness of clinics is important for all health care professionals caring for patients with endometriosis. The definition of patient-centered endometriosis care is based on research into the most common preferences, needs, and values of patients with endometriosis and can be summarized in ten dimensions.

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Article Synopsis
  • A study examined the relationship between patient-centred endometriosis care (PCEC) and health-related quality of life (HRQOL) among 194 Dutch-speaking women who had laparoscopy for endometriosis.
  • Results showed overall HRQOL was rated at 29.3/100 and overall PCEC at 38.0/100, with significant links found between certain PCEC subscales (like 'continuity' and 'respect') and HRQOL factors, particularly 'social support' and 'emotional wellbeing'.
  • The study suggests that improving PCEC may enhance HRQOL, indicating that further large-scale research is necessary to explore these associations more deeply.
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Study Question: Do gynaecologists, infertile patients and the general public, consider that regulation of the clinical implementation of stem cell-based fertility treatments is required?

Summary Answer: There is broad support from gynaecologists, patients and the general public for regulating the clinical implementation of future stem cell-based fertility treatments.

What Is Known Already: There is debate on the need to regulate the clinical implementation of novel techniques. Regulation may hinder their swift adoption and delay benefits for patients, but may prevent the implementation of ineffective or harmful techniques.

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Background: Early pregnancy complications, defined as miscarriage, recurrent miscarriage or ectopic pregnancy, affect the physical and psychological well-being of intended parents. Research in this field so far has focused mainly on improving accuracy of diagnostic tests and safety and effectiveness of therapeutic management. An overview of aspects of care valued by women and/or their partners is missing.

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Study Question: Do men and women beginning to attend a fertility clinic prefer genetic over non-genetic parenthood?

Summary Answer: Nearly, all infertile men and women prefer genetic parenthood.

What Is Known Already: Clinicians assume that all infertile couples prefer genetic parenthood over non-genetic parenthood and, therefore, consider treatments with donor gametes an option of last resort. Previous studies of the desire for parenthood identified 30 motivations for genetic parenthood, and 51 motivations for which having a genetically related child is not strictly necessary but might be deemed required.

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Study Question: What is the acceptability of using stem cell-based fertility treatments (SCFT) for different indications according to gynaecologists and the general public?

Summary Answer: The majority of gynaecologists and the general public accept SCFT for the indications female or male infertility in young heterosexual couples, and female infertility in single women and same-sex couples.

What Is Known Already: SCFT could result in genetic parenthood for intended parents with indications that cannot be treated using currently available methods, such as being in a same-sex relationship or female post-menopausal age. It is unclear whether the acceptability of SCFT differs between indications for treatment and whether gynaecologists and the general public differ in their assessments.

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Background: Endometriosis in adolescent girls is often diagnosed after a long delay. This diagnostic delay can be associated with more advanced stages of endometriosis and with a higher likelihood of fertility problems at a later age.

Material And Methods: A systematic review of literature and quality assessment was performed in order to identify questionnaires that were developed to identify adult women with endometriosis.

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Study Question: Can a valid and reliable questionnaire be developed to assess patients' experiences with all of the characteristics of hormonal fertility medication valued by them?

Summary Answer: The FertiMed questionnaire is a valid and reliable tool that assesses patients' experiences with all medication characteristics valued by them and that can be used for all hormonal fertility medications, irrespective of their route of administration.

What Is Known Already: Hormonal fertility medications cause emotional strain and differ in their dosage regime and route of administration, although they often have comparable effectiveness. Medication experiences of former patients would be informative for medication choices.

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