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Prevalence and risk factors of postpartum depression in the Middle East: a systematic review and meta–analysis

BMC Pregnancy and Childbirth volume 21, Article number: 542 (2021) Cite this article

Abstract

Background

Postpartum depression (PPD) is a common social health problem that affects not only the mother and newborn, but extends to other family members as well as various aspects of their lives. This systematic review and meta–analysis aims to identify the prevalence and risk factors of postpartum among the women in Middle East countries.

Methods

We searched published articles from Web of Science, EMBASE, PubMed and Cochrane electronic databases to establish study articles. Articles regarding postpartum depression prevalence and associated factors among women in the Middle East were included in this systematic review and meta–analysis. A random–effect model was used for estimation of pooled postpartum depression prevalence with a 95% confidence interval (CI) and forest plot. Presence of heterogeneity was checked by Cochran's (Q) test, and funnel plots and Egger’s statistical tests were used to assess publication bias.

Results

A total of 15 studies were included in this systematic review. The studies were conducted in different countries of the Middle East between 2006 and 2020, nine of the included studies were cross–sectional studies and six were cohort studies. The overall pooled estimate of the prevalence of postpartum depression in the Middle East mothers was very high 27% (95% CI 0.19–0.35). The common risk factors reported based on our review were poor economic, pregnancy associated complications, low education, unplanned pregnancy, housewife, inadequate social support from family members and the feeding by formula. Poor economic and complication during pregnancy presented a significant relationship regarding postpartum depression in meta–analysis.

Conclusions

The prevalence of postpartum depression in the Middle East was higher than other regions of the world. In response to this, we recommend an increase of routine screening for depression during postpartum in this area. Furthermore, it might be necessary to integrate mental health with maternal health care in clinical practice during the postpartum.

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Background

One of the challenging transition periods for mothers is the postpartum period [1], episodes of depression can be twice higher than during other periods of a woman’s life [2]. Postpartum depression (PPD) refers to any major or subclinical depression [3]. It is considered as a common social and mental health problem [4], and described as a widespread complication of child bearing. Typically, it occurs within 4–6 weeks after childbirth, but it may last several months or even a year [5]. Furthermore, up to 50% of the women will face a reoccurrence during subsequent pregnancies [6]. This illness tends to develop into major depression and may carry substantial risk to morbidity and mortality among under diagnosed situations. It has been projected that by the year 2030 if interventions are not developed as part of preventive measures, depression might be the top three leading causes of death globally [7]. Despite this, PPD is one of the least addressed types of depression today [6].

Therefore PPD is a social health burden regardless of cultural identity and beliefs [8], and it is a major public health issue which affected 10%–15% of mothers in developed societies [9]. Globally, the PPD among mothers ranges from 0.5% to 60.8% as per prevalence [10]. In recent years, it was found that PPD may affect up to 30% of all women after delivery [11], and usually ranging in severity from mild and moderate by 50–80% of women to intensive psychosis which affects less than 1% of women[12].

Due to the importance of postpartum depression and its consequences, many studies have tried to determine the level of prevalence and explore the influencing factors on PPD. In the last two decades, although large events and the status of internal and external conflicts, which increased in various the Middle East countries, studies have remained limited to understand the impact of these events on women and particularly through pregnancy, birth and postpartum phases [13, 14], in spite of studies were few however some of these studies were found as a result of the aforementioned various factors significant social, psychological and economic influencing factors which have an actual and direct impact on the postpartum phase [5, 15, 16], in addition to the traditional and widespread factors such as body image changes [17], unplanned pregnancy [18, 19], and newborn care pressures [20,21,22,23,24,25]. The situation was further complicated by the spread of the Covid–19 epidemic and the followed subsequent quarantine, which in turn led to an increase in the economic, social, and psychological burdens on societies and especially the women, in addition to increasing the pressures on medical teams, which weakens the quality of health care provided in the postpartum period [26,27,28,29].

Therefore, there was a need for a systematic review and meta–analysis, especially since it was not separately investigated in a previous study and it was only mentioned in a meta–analysis for all regions of the world, which in turn showed a higher prevalence of postpartum depression compared to other regions [30], and this increased our interest and motivated us to design this study to update the information and explore the effect of various factors on postpartum depression of the Middle East women.

Methods

We searched our articles according to Preferred Reporting Items for Systematic review and Meta–Analyses (PRISMA) guidelines [31].

Search strategy

To identify relevant studies strategy of three steps was used: (i) examine the targeted electronic databases systematically, (ii) examine of the included articles references manually, and (iii) discussion with an expert team. The searched electronic databases were Web of Science, EMBASE, PubMed, and Cochrane Library. We used the key MeSH search terms: such as (“mothers” or “females” or “women”), with (“postpartum” or “puerperium” or “post-birth” or “post birth”), with (“depressive” or “depression” or “PPD” or “depressed”), with (“prevalence” or “spread” or “risk factors” or “factor” or “risk” or “screening”), with (“middle east” or “Bahrain or Bahraini” or “Iraq or Iraqi” or “Iran or Iranian” or “Israel or Israeli or Jewish” or “Jordan or Jordanian” or “Kuwait or Kuwaiti” or “Lebanon or Lebanese” or “Oman or Omani” or “Palestine or Palestinian” or “Qatar or Qatari” or “Saudi Arabia or Saudi” or “Syria or Syrian” or “Turkey or Turkish” or “United Arab Emirates or Emirati” or “Yemen or Yemeni” or “Arab or Arabic”). Reference lists from pertinent articles were also screened. The title and abstract screening were independently conducted by two reviewers and identified possibly pertinent articles for the full–text review. We used Cohen kappa (K = 0.8) to assess interrater agreement. For discrepancies, we screened with the help of a third reviewer. Through discussion, articles for the full–text review were determined. This was followed by reading full texts of all articles independently to determine the final included articles in the review. We used Cohen kappa (K = 0.9) to assess inter–rater agreement.

Selection criteria

Selection criteria of our study are the following: (a) published in English language from January 1st 1990 to May 1st 2020; (b) used validated assessment tools of postpartum depression while reporting the prevalence and risk factors; (c) type of studies (Cross–section and Cohort); (d) studies included women from the Middle East countries.

Studies were excluded from the review if met any of the following criteria: (1) studies did not use PPD assessment tools or with prior history of clinical symptoms; (2) included women who experienced postpartum depression more than 12 months of postpartum; (3) mothers with babies with congenital anomalies or who delivered stillborn.

Data extraction

The parameters were extracted from the included articles as follows: name of authors, publication year, country, sample size, design, age, measure timing, and measurement of PPD, cut–off point, prevalence, and risk factors from the included studies. A standardized data extraction checklist was used for extracting the data by two reviewers and incongruities were compromised by discussion between the reviewers.

Quality assessment

The Joanna Briggs Institute Meta–Analysis of Statistics Assessment and Review Instruments (JBI–MAStARI) for observational cohort and cross–sectional studies were used for quality assessment [32]. This assessment instruments values each study based on 11 criteria (cohort) and 8 criteria (cross–section). For each criterion, if “yes” we assigned a score of one, otherwise we assigned a score of zero score (ie, an answer of “no,” “not clear,” “not applicable,”). A total score of each study which ranging from zero to 11 (cohort) and 8 (cross–section) was computed by summing up scores of all items the instrument. Finally, studies that had scored 9 and above (cohort) or 6 and above (cross–section) on the JBI quality assessment instrument were included in the systematic review and meta–analysis. Assessment of quality assisted to measure the strength of scientific evidence only.

Statistical analysis

Depression prevalence was reported based on self–reported assessment instrument (EPDS) to determine PPD in each study. The prevalence rate of the latest screening was used in longitudinal studies. Subgroup and meta-regression analysis were performed to investigate the effect of assessment time and the cut–off score of depression scale (EPDS) on the prevalence of PPD. Studies reported PPD in a similar period were grouped together according to assessment time points such as: (i) 0–3 months, 4–12 months. Cut–off score of depression scale (EPDS) 10, 12, and 13 were used to compare the prevalence with different depressive symptoms. A funnel plot, Egger and Begg’s statistical tests were employed to test the presence and the statistical significance of publication bias. The meta–analysis was conducted by Version 5.4 of Review Manager software and meta-regression analysis was conducted by Version 17 of STATA software. Cochran's Q–test (Chi2) and Quantitative heterogeneity were explored using I2 statistics. The I2 statistics refers to the variance percentage between studies to heterogeneity rather than sampling chance [33]. The assessment of heterogeneity (I2) was considered low, moderate, and high heterogeneity, corresponding to 25%, 50%, and 75% respectively [33]. The random–effects model was used when heterogeneity was moderate or high (I2 > 50%) to originate the overall prevalence estimate. For each forest plot, the combined estimates heterogeneity test values (T2, Chi2, and I2), Z–value, and 95% CI were reported. For factors associated with PPD, a random–effects model also was used to pool the odds ratios among included studies.

Results

Study selection

Initially, 4315 studies were accessed from the searched electronic databases, of which 4157 remained after removing duplicates. After reading title abstracts, 431 studies were included for full–text review, of which 15 studies met all the inclusion criteria in this systematic review. The PRISMA flow chart for the selection procedures and the reasons for exclusion were shown in Fig. 1.

Fig. 1
figure 1

PRISMA flowchart of study selection

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Overview of included studies in the systematic review

In our study, we presented the major characteristics of the included studies in this systematic review (See Additional File 1). They were conducted in different countries of the Middle East, five of them were conducted in Iran, two in Israel, two in Turkey, two in the United Arab Emirates, one in Jordan, one in Oman, one in Qatar. All of the articles included in this study were published between 2006 and 2020. Of the 15 articles included in the systematic review, six were cohort studies and nine were cross–sectional studies. Covering a total of 6683 women in the period of postpartum, the sample size ranges from a minimum of 56 in the United Arab Emirates to a maximum of 1379 in Qatar.

In a current meta–analysis, to estimate the pooled prevalence of postpartum depression in the Middle East, 6074 women in the postpartum period from 13 studies were included, two papers were excluded from meta–analysis: Iranpour et al. [34] used the same dataset as the other paper [35], and Ozgur et al. [36], only used BDI scale for depression evaluation, while all studies included in the meta–analysis were used EPDS scale.

The prevalence of postpartum depression

Random–effects model was used, the overall pooled estimate of the postpartum depression prevalence in the Middle East women was 27% (95% CI 0.19–0.35) Fig. 2, shows the results of 13 studies that stated the PPD prevalence.

Fig. 2
figure 2

Forest plot of 13 studies assessing the prevalence of postpartum depression in Middle East

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Subgroup analysis was performed to assess the depression by time points, we had 9 studies reporting on the prevalence in the first three months of postpartum, the prevalence was 31% (95% CI 0.21–0.41, N = 3259) and 4 studies reported the prevalence from the fourth to twelfth months of postpartum, the prevalence was 19% (95% CI 0.10–0.27, N = 2815), while the overall test for time points subgroup was not significant (p = 0.08) Fig. 3. All included studies used Edinburgh postnatal depression scale (EPDS) for assessing depressive symptoms. Using an EPDS score ≥ 10 for our subgroup analysis of studies, the postpartum depression prevalence was 18% (95% CI 0.05–0.31, N = 1432), in a subgroup analysis of score ≥ 12 on EPDS, the prevalence was 41% (95% CI 0.14–0.68, N = 1986) and in a subgroup analysis of score ≥ 13 on EPDS, the prevalence was 25% (95% CI 0.16–0.34, N = 2656), while the overall test for cut–off scores subgroup was not significant (P = 0.30) Fig. 4.

Fig. 3
figure 3

Subgroup analysis for prevalence of postpartum depression in Middle East among mothers at different assessment time points

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Fig. 4
figure 4

Subgroup analysis for prevalence of postpartum depression in Middle East symptoms by EPDS cut–off scores

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Meta-regression was used to determine the potential sources of heterogeneity by using assessment time points (Coef = -0.11, SE = 0.08, P = 0.18, CI -0.29 to 0.05) and cut–off scores (Coef = 0.02, SE = 0.03, P = 0.55, CI -0.04 to 0.09), but none of these variables were statistically significant.

A funnel plot was used to examine the publication bias. The slight asymmetry indicates possible publication bias based on the visual representation of the funnel plot Fig. 5. In addition, Egger’s and Begg’s tests showed no statistically significant of publication bias (P = 0.457, P = 0.502), respectively.

Fig. 5
figure 5

Funnel plots of publication bias

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Risk factors of postpartum depression

A total of 15 studies reported risk factors for postpartum depression, similar factors searched in each of the studies. A total of 30 risk factors were obtained to be investigated in the included studies, and these were classified into four categories: (1)Socio–demographic factors were included low education (in 6 out of 14 studies that included this variable), work or did not work outside home (2/5/14 studies), poor economic (5/11studies) and young age (3/12 studies); (2)Marital and family relationship factors were included lack of relationship with family (5/6 studies) and lack of support from family (4/4 studies); (3)Pregnancy and birth related factors were included complications of birth and pregnancy (1/4/7 studies), planned or unplanned pregnancy (1/6/10 studies) and vaginal or caesarean Section (1/2/8 studies); (4)Newborn–related factors were included feeding by formula (5/6 studies), gender of baby (2/9 studies), unhealthy baby (2/3 studies) and difficulties caring of baby (2/2 studies), the other factors were illustrated in Table. 1.

Table 1 Risk factors for postpartum depression reported by studies included in the systematic review and meta–analysis
Full size table

In meta–analysis, two factors, i.e. poor economic Fig. 6, and complication during pregnancy Fig. 7, showed significant association with PPD, while the rest of the factors showed insignificant associations with PPD (Supplemental Figs. 8–15, Additional File 2).

Fig. 6
figure 6

Forest plot for pooled association between Poor Economic (Ref. Economic) and postpartum depression in Middle East

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Fig. 7
figure 7

Forest plot for pooled association between Complication during pregnancy and postpartum depression in Middle East

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Seven studies were included in analysis to determine the association between poor economic and postpartum depression, of which three of them showed a significant association. The pooled analysis showed that the odds of developing postpartum depression among women who had poor economic was 1.48 (95% CI 1.07–1.89) times higher as compared with their counterparts, as depicted in Fig. 6. While five studies were included to determine the association between complication during pregnancy and postpartum depression, of which two of them showed a significant association. The pooled analysis showed that the odds of developing postpartum depression among women who complication during pregnancy was 1.65 (95% CI 1.09–2.21) times higher as compared with women without complications Fig. 7.

Discussion

In our study, we conducted a systematic review with a meta–analysis among published articles between 2006 and 2020. A total number of 15 studies met all the inclusion criteria, and nine of which are cross–sectional studies and the rest are cohort studies. The overall pooled estimated the postpartum depression prevalence in the Middle East mothers was 27%. Nine studies have reported the prevalence in the first 3 months of postpartum, and the rest reported during 4–12 months of postpartum. All the included studies in our meta–analysis used EPDS for assessing depressive symptoms. In the subgroup analysis of studies with different EPDS score cut–offs, including 10, 12, and 13, only 3 studies are found to be in the subgroup with EPDS score ≥ 12 and has the highest prevalence was compared to the other 2 subgroups.

From our meta–analysis, we found that the overall prevalence of PPD among the Middle East women is 27%. Apparently, this estimate is consistent with the previously studied estimates of 26% [30]. The reported estimate of PPD prevalence was higher than other studies in western countries, for instance the prevalence of PPD in North America was 10%–15% and in Australia was 13% [5, 37]. These statistics established that the prevalence of PPD was a higher in the Middle East than other regions of the world, the predicted reasons that lead to the wide range of reported PPD might be due to the disorders and displacement during crises and to the cross cultural variation, socio–economic conditions which might include actual or perceived levels of social support, stressful life events, poverty and attitudes towards pregnancy and motherhood at large [13, 14]. Apparently, inadequate necessary mental care, when societies do not prioritize mental difficulties for women during postpartum is also a factor [38]. On subgroup analysis, the prevalence was generated based on time of assessment. These were consistent across the first postpartum year, whereas we found a higher level of prevalence was found in the first 3 months of postpartum while a lower level reported in 4–12 month of postpartum. There were 4 studies only that examined prevalence after the third month of postpartum, compared to 9 studies that examined prevalence in the first 3 months of postpartum. Literature indicates that onset of PPD is a high–risk timeframe during the first three months postpartum [39, 40]. This could be the cause that numerous individual reports examined the prevalence of PPD in the early postpartum period only first three months [2, 39,40,41]. However, there are some longitudinal investigations that announced insistence in depressive symptoms a year postpartum and even more than year [42,43,44].

Several socio–demographic risk factors were reported for PPD. Linking poverty to inadequate education, which in turn leads to early age marriage, may affect the socioeconomic status. We found a higher proportion of postpartum depression in mothers who were younger compared with those old aged, this could be due to tender age as a mother with inadequate experience for caring of newborn or to cope with depression, therefore is more prone to show depressive symptoms in the postpartum [45], these results were consistent with results of Rich–Edwards and Inandi [46] who found that women in the youngest age group exhibited almost twice the rate of depression scales when compared to the other age groups. Housewives with lower incomes were more likely to score higher regarding EPDS, and consistent results of postpartum depression rates were showed by Taşdemir et al. and Gumuş et al. [47, 48]. The most pressing issue for housewives are poverty, these were the conclusion drawn from a study done by Denins et al. [45]. They believed that this could increase the financial stressors and perhaps pivotal to elevated depression odds. Undoubtedly, the level of education as a risk factor affects the prevalence of PPD [49]. For instance, a decrease in socio–economic status is a result of education. Conversely, a good level of education confers intellectual skills and of course advanced copying strategies. This is evident from our study that women with lower levels of education exhibited higher depressive symptoms [47].

Indeed, the transition into motherhood is complex and stressful moment in life [50]. To help ease the stress of pregnancy and motherhood, a supportive social network such as family, partner, and friends are crucial [51]. Wherefore, PPD in our study was correlated with lack of social support and observed through the literature increased risk of PPD significantly with women who reported limited support [52]. Among the factors that can complicate the transition to motherhood is unplanned pregnancy. In our study, we identified unplanned pregnancy as a significant risk factor for PPD. We predicted this as unwanted pregnancy makes it difficult to adapt to the roles and responsibilities of motherhood. Thus, it may cause the women to experience severe mental issues during the postpartum period. Consistent with previous studies designed to assess PPD risk factors, unplanned pregnancy is found to be a common risk factor [53,54,55]. Also, we found pregnancy complications to be a significant factor to develop PPD. For the fact that the mother’s body undergoes series of changes during the process of gestation and parturition, the presence of complication events may work as a trigger for developing depression. This aggravated the workload on the mother in addition to the maternal responsibilities and challenges. Similar to our findings was that the impact of pregnancy complications on developing PPD [56, 57].

Insufficient paediatric care as paediatric problems in infants is associated with PPD in mothers and this in turn is associated with issues related to the child. With stressful newborn–related events an increased PPD risk was observed. These include health problems and infant hospitalization [58]. Mothers who have recently given birth have trouble caring for the baby independently in early times [59], thus, identified that odds of developing PPD in the women who stated they had trouble in baby care or experienced stressful events related to newborn were higher than those of women expressing no problems. In the context of paediatric issues, nutrition of newborn consider as an essential psychological and physiological function of motherhood, perhaps consistent with this theory; mothers who did not breast feed and did formula feeding alone had an increased risk of PPD, probably due to the formula feeding reduction of the mother–infant relationship. In our study, formula feeding is a risk factor for PPD. In a similar study, women with a higher level of breastfeeding self–efficacy were seen to exhibit fewer postpartum depressive symptoms [60].

The limitations in this review included the following aspects. First, only articles published in the English language were included, so we might miss a few articles. Also, all the studies used the EPDS scale while only one study used BDI scale, so we were not able to compare the difference of prevalence between the two scales. Finally, some risk factors were only reported by one study, thus we were not able to generate the pooled effect size.

Conclusions

In this systematic review and meta–analysis, we found the prevalence of PPD in the Middle East was determined to be 27%. Of all the 15 studies included, they were conducted in different countries of the Middle East, majority of which are 9 cross–sectional studies and 6 cohort studies. The common risk factors found to be reported based on our review are low education, unplanned pregnancy, housewife or domestic responsibilities, poor wealth index, lack of relationship with family, the feeding method of formula milk, inadequate social support from family members, young age, pregnancy associated complications, gender of baby, type of delivery, health of baby, and care of baby. Lack of access to effective postpartum care may contribute to the majority of PPD causes. Therefore, we recommend combined mental health care alongside maternal care services during the postpartum period. Providers of maternal health care need to be aware of and receive suitable guidance on psychological issues when providing care for pregnant and delivered women. The result gathered from our study can serve as evidence that can be used to guide future studies and health policies. Sensitization about the importance of screening for the PPD may help to prevent or identify and treat PPD.

Availability of data and materials

All data generated or analyzed during this study are included in this article (and its supplementary files).

Abbreviations

PPD:

Postpartum Depression

EPDS:

Edinburgh Postnatal Depression Scale

BDI:

Beck Depression Inventory

JBI:

Joanna Briggs Institute

CI:

Confidence Interval

OR:

Odds Ratio

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Funding

This work was supported by grants from the Chinese Key Project of the National Natural Science Foundation (81872641).

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Authors and Affiliations

  1. Department of Maternal and Child Health, Xiangya School of Public Health, Central South University, 110 Xiangya Road, Changsha, 410078, China

    Hoda Alshikh Ahmad & Jiayou Luo

  2. Department of Maternal and Child Health, Faculty of Nursing, Hama University, Hama, Syria

    Hoda Alshikh Ahmad & Asem Alkhatib

  3. Xiangya School of Nursing, Central South University, Changsha, China

    Asem Alkhatib

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HA, AA and JL were involved in the processes of study design, data extraction, and statistical analysis; HA and AA were responsible for articles selection; HA wrote the first draft of the manuscript; JL revised the manuscript. All authors reviewed and approved the final manuscript.

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Correspondence to Jiayou Luo.

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Supplementary Information

Additional file 1.

Table of features of the studies included in the systematic review [61,62,63,64,65,66,67,68,69,70].

Additional file 2.

Supplement Additional Figures.

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Alshikh Ahmad, H., Alkhatib, A. & Luo, J. Prevalence and risk factors of postpartum depression in the Middle East: a systematic review and meta–analysis. BMC Pregnancy Childbirth 21, 542 (2021). https://doi.org/10.1186/s12884-021-04016-9

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Keywords

BMC Pregnancy and Childbirth

ISSN: 1471-2393

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