1 Department of Medical Psychology and Psychotherapy, 2 Psychosocial Care and 3 Department of Obstetrics and Gynaecology, Erasmus MC, 3015 GD Rotterdam, and 4 Department of Reproductive Medicine, University Medical Center, 3584 CX Utrecht, The Netherlands
5 To whom correspondence should be addressed. Email: c.deklerk{at}erasmusmc.nl
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Abstract |
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Key words: distress/effectiveness/IVF/psychosocial counselling/stress
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Introduction |
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Despite the high agreement on the necessity of counselling IVF patients, there is a lack of studies addressing the efficacy of psychological interventions for this population. To date, only a few randomised, controlled, prospective studies have been conducted to assess the effect of counselling on distress related to infertility and its treatment. In a study by Domar et al. (2000) infertile couples received 10 weekly sessions in either a cognitivebehavioural group or a support group. These intervention groups were not linked to an IVF programme. At 6 months follow-up, participants in both intervention groups showed healthier scores than the controls on several psychological variables: anxiety, marital distress, confusion, mood disturbance, stress management skills, health-promoting style and vigour. Six months later, fewer group differences were found. Overall, the participants in the cognitivebehavioural group showed more health-promoting behaviours, especially concerning interpersonal support and stress management. Surprisingly, both subjects in this group and the control group showed fewer depressive symptoms than did subjects in the support group.
The study by Domar et al. (2000) shows a long-term psychological approach to infertility. In other studies couples were offered specific support during IVF treatment. In a recent study by Emery et al. (2003)
, couples were offered a pre-IVF counselling intervention in a couple format, which focused on their narrative capacities. Six weeks after the first IVF treatment cycle had ended, participation in counselling was not associated with fewer symptoms of depression and anxiety. Couples in a study by Connolly et al. (1993)
received not only a pre-treatment counselling session, but also one counselling session after their first cycle of IVF treatment. Counselling was directed at difficulties associated with IVF treatment, such as interpersonal and psychosexual problems. The authors concluded that counselling did not have an additional effect on anxiety or depression over information provision alone.
One possible explanation for the lack of effect of counselling in the latter two studies could be the use of general stress questionnaires as opposed to infertility-specific stress questionnaires. Furthermore, none of the above studies measured the effect of counselling on stress patients experienced during treatment, e.g. procedural stress. The aim of this study was therefore to evaluate a psychosocial counselling intervention for couples undergoing their first cycle of IVF treatment using an infertility-specific distress questionnaire. We hypothesized that counselling during the first IVF treatment cycle may reduce women's procedural distress levels during IVF treatment.
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Materials and methods |
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Measures
Demographics
Information on demographics and infertility history was gathered from all women by a standardized questionnaire.
Daily Record Keeping Chart (DRK)
In contrast to previous intervention studies in this area, distress was measured with an infertility-specific questionnaire, e.g. the Daily Record Keeping Chart (Boivin and Takefman, 1996; Boivin, 1997
). This questionnaire consists of 21 items that represent emotional reactions common to women undergoing infertility treatment. Each item is rated on a 4-point-Likert scale (none to severe). Scores on four subscales can be obtained: depression/anger, uncertainty, positive affect and anxiety (range 012). The DRK showed good criterion-related validity and good convergent validity with other conceptually related scales, such as the Spielberger State Anxiety Inventory (Boivin, 1997
). However, factor analysis showed overlap between the negative subscales. We therefore decided to use the General Distress Scale for this study, which combines the depression/anger, uncertainty and anxiety subscales into one negative affect scale (range 036). The DRK showed good internal consistency: Cronbach coefficient alphas varied from 0.76 to 0.88 for the individual subscales, while the coefficient alpha for the General Distress Scale was 0.87. The original items of the DRK were translated into Dutch.
Hospital Anxiety and Depression Scale (HADS)
To enable comparisons with other effect studies, a general stress questionnaire was also administered. The Hospital Anxiety and Depression Scale (Zigmond and Snaith, 1983) was developed as a screening tool to detect anxiety and depression in medical patients. All 14 items are scored on a 4-point-Likert scale from 0 to 3. Each of the two subscales consists of seven items (range 021). For this study, the Dutch version of the HADS by Spinhoven et al. (1997)
was used, which has shown good testretest reliability, homogeneity and internal consistency. Cronbach alphas for the total scale and both subscales varied from 0.71 to 0.90. Since the total HADS scale showed a better sensitivity and positive predictive value in detecting psychiatric disorder than the two subscales, the anxiety and depression scores were also combined in a total HADS score (042).
Study design
The couples were randomized according to a computer-generated random-numbers table into one of two groups. Forty-one couples were randomized in a routine-care control group, 43 couples into an intervention group. All participants completed the HADS before the couples' initial visit to the hospital (baseline). During the first week after that visit the DRK was completed daily by the women (baseline) and again daily during their first IVF cycle: depending on the ovarian stimulation protocol used, women started monitoring on either the first day of down-regulation (GnRH agonist long protocol co-treatment) or the first day of ovarian stimulation (mild ovarian stimulation using GnRH antagonist co-treatment). Monitoring ended 2 weeks after the day of the pregnancy test and after the third counselling session. On that same day all participants completed the HADS for the second time. Since previous studies have shown that men experience lower levels of distress during IVF treatment than women (Boivin et al., 1998), male participants did not fill in the DRK. Results on the men's HADS scores have been reported elsewhere (de Klerk et al., 2003
).
Procedure
The study was reviewed and approved by the Erasmus MC Ethical Review Board. Couples were informed about this study during information evenings for couples about to start their first IVF cycle at the Erasmus MC. During these meetings all couples received written information with regard to the study and the baseline HADS. In the ensuing weeks, patients who met the study criteria received a telephone call and were invited to participate in the study. Couples who agreed to take part in this study met with one of the researchers before their first medical appointment at the hospital. After the objectives of the study had been discussed, both partners signed an informed consent form. The completed baseline HADS was collected and all women received a diary with one DRK for every treatment day and they were instructed to complete the DRK at a fixed time during the day. Finally, couples were informed whether they would receive additional counselling sessions with a social worker. The questionnaire on demographics was sent by mail before the start of the first IVF treatment cycle. A second HADS was sent by mail 2 weeks after the first cycle had ended.
Statistical analyses
Demographic data were analysed using Student's t-test for continuous variables and 2-test for categorical variables. For the group analyses, a distinction was made between seven individual IVF treatment stages: stimulation, day of oocyte retrieval, fertilization, day of embryo transfer, waiting period, day of the pregnancy test and post-treatment. However, no results are available for the post-treatment stage, since most women discontinued monitoring with the DRK after the day of the pregnancy test. Stage scores for both positive and negative affect were calculated by averaging daily scores on the DRK within each treatment stage. In addition, the stage scores from the stimulation days until the day of the pregnancy test were averaged into two separate overall treatment scores: one for positive affect and one for negative affect. These overall treatment scores were used to obtain a rough estimate of the level of the overall distress of the women in our study during their first IVF treatment cycle. Due to cycle cancellation, not all women went through every one of the previously mentioned treatment stages. Analyses of covariance for group comparisons for overall treatment scores were therefore adjusted for the total number of treatment stages the women passed through during their first IVF cycle. Next, analyses of covariance were conducted for group comparisons of both positive and negative affect during each individual treatment stage, adjusting for baseline affect scores. Analyses for the day of the pregnancy test and the overall treatment were also statistically controlled for pregnancy outcome. Finally, analyses of covariance were performed for the post-treatment HADS scores on both the subscales and the total scale, controlling for the baseline HADS scores. Data analysis was performed with the couples' original group assignment (intent-to-treat design principle). Since we hypothesized that the intervention group would experience less procedural distress during the first IVF treatment cycle than controls, significance testing on all outcome measures was done at P<0.05 (one-tailed). Effect sizes were measured using Cohen's d (Cohen, 1988
). The SD of the control group was used as the denominator of Cohen's d.
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Results |
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Discussion |
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Consistent with previous studies, no effect of counselling was found when stress after the first IVF cycle was measured with a general stress questionnaire (HADS). Moreover, no effect for counselling was found with the use of the DRK. On the day of the pregnancy test, however, there was a trend towards less negative affect for women in the intervention group when compared to women who had not received counselling. Women who had received additional care seemed to be better prepared for a negative treatment outcome. Indeed, one of the goals of our counselling intervention is to reduce unrealistic expectations couples might have concerning IVF treatment outcome. Even though the difference was marginally significant, we consider it promising, since the day of the pregnancy test was the most stressful stage of treatment for both the intervention and the control groups.
The relatively low response rate of this study suggests that there is little perceived need for psychosocial support among couples during a first IVF cycle. This is in keeping with the results of a study by Boivin et al. (1999) in which the majority of 143 infertile patients did not consider themselves to be distressed enough to need counselling. The less distressed patients in this study reported that they received sufficient support from informal sources such as their spouse, family and friends. The patients who were so distressed that they wanted to consult a counsellor did not do so for practical reasons, such as the perceived difficulty of scheduling sessions. Likewise, most couples who declined to participate in our study stated that they did not have the time for three additional visits to the hospital. Although our response rate (32%) is comparable to the response rate in a study by McNaughton-Cassill et al. (2002)
, Connolly et al. (1993)
were able to obtain a response rate of
98%. In their study, counselling sessions were combined with medical appointments. However, we had intended to offer support at the most stressful treatment stages, the days before and after the pregnancy test. During these days couples do not have medical appointments. Considering our relatively low response rate, it is possible that the couples who really would have benefited from our counselling intervention did not participate in this study. In the future, effort should be made to integrate our counselling intervention into the IVF treatment to meet the needs of IVF couples. The women who did not want to participate in this study did not differ in age from the women who did agree to participate. It would be very interesting to further examine the characteristics of non-respondents in a future study. Targeting counselling interventions towards couples who have already undergone IVF treatment may be of greater benefit. The study of Laffont and Edelmann (1994)
suggests that these couples show more interest in counselling.
Aside from the low response rate, this study also suffered from a high attrition rate. Many women did not return their diary. Additionally, many women stopped monitoring their distress after the day of the pregnancy test. Although women who dropped out of the study did not show more feelings of anxiety or depression before the start of the IVF treatment than women who did not drop out, this subgroup of women may have experienced higher levels of distress during IVF treatment. In future studies, administering the DRK for a shorter time period than in this study may prevent dropout.
Since the low response and high attrition rate have also affected the statistical power of our study, the results of this study should be interpreted with caution. These results do not favour routine psychosocial counselling for all first-time IVF patients, a finding that is in line with the results of two previous randomized controlled studies (Connolly et al., 1993; Emery et al., 2003
). In a recent review (Boivin, 2003
), it is suggested that group interventions that focus on education and skills training (e.g., relaxation training) would be more effective than counselling interventions such as the one applied in this study. However, most women in this study seemed to be able to cope with the procedural distress of their first IVF treatment without additional counselling. Since couples accepted for IVF treatment have to be in a stable relationship, it is likely that most are able to support each other during treatment or have other sources of support available to them, such as family or friends. Also, the women in our study may have benefited from a supportive medical staff. Finally, it is not unlikely that the monitoring of distress itself may have had a positive effect on women's distress. It was not possible to carry out subgroup analyses due to the modest sample size of this study. One could hypothesize that benefits of counselling would be greater for those people who started the intervention with higher levels of distress. In our opinion, future research should therefore be directed at identifying couples who are particularly vulnerable to distress during their first IVF treatment cycle. Psychosocial counselling could be offered to couples who are most likely to benefit from additional support.
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Acknowledgements |
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References |
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Submitted on June 1, 2004; resubmitted on October 5, 2004; accepted on December 20, 2004.