PICO SEARCH ASSIGNMENT WORKSHEET              

Brief description of patient problem/setting (summarize the case very briefly):

29 y/o African American female presented to the ED stating that “I’m a threat to my newborn son” and with complaints of SI while acutely intoxicated with alcohol (BAL = 261 mg/d). Patient is currently in a relationship and domiciled with family consisting of mother, grandmother, aunt and 3 month old son. Patient’s pmhx includes pre-eclampsia, post-partum depression (taking Zoloft 50 mg). Patient notes that her depression began after the birth of her son in October of 2025 and has been drinking daily since. Patient also has a documented incident of a suicide attempt where she OD on Zoloft in Jan. 2026 and also endorses cannabis use.

Search Question: Clearly state the question (including outcomes or criteria to be tracked)

In mothers with postpartum depression, what is the long-term impact on maternal–infant bonding during the first year after birth?

Question Type: What kind of question is this? (boxes now checkable in Word)

☐Prevalence                          ☐Screening                ☐Diagnosis

☐Prognosis                             ☐Treatment                ☐Harms

Assuming that the highest level of evidence to answer your question will be meta-analysis or systematic review, what other types of study might you include if these are not available (or if there is a much more current study of another type)? 

Please explain your choices. 

Considering that prognosis questions don’t involve comparing treatments, the highest level of evidence typically comes from either a systematic review or meta-analysis of prospective cohort studies. However, if these were not available my next best choice would be a high-quality prospective cohort study. The reason why prospective cohort studies are a reliable alternative is because they set-up a temporal relationship between postpartum depression and bonding outcomes. Furthermore, in order to address the question of “what is the long term impact ?”, there has to be designated timepoints that help to understand things such as when bonding impairment begins and the overall progression of decline. If prospective cohort studies were unavailable I would then consider retrospective cohort studies or even case-control studies. With these study designs however there is the potential for bias and confounding which makes them less desirable. Overall, these studies still remain viable options because for example with a retrospective cohort you still have an established time of cause and effect but you have to rely on past documentation being both accurate and available. With case-controls these studies are better suited for rare cases and bonding impairment doesn’t fit that context and there’s an additional nuisance of recall bias as well with these studies. However, they do allow you to examine past exposures such as depression and see how they might have led to a particular outcome.

PICO search terms:

P	I	C	O
Postpartum women	Depression	Non-depressed mothers	Post partum bonding
Postpartum depression	Psychological distress	Happy mothers	Mother infant bonding
Perinatal women	Depressive symptoms	No postpartum depression	Mother-infant interaction
			Maternal attachment
			Bonding impairment
			Maternal infant consequences

Search tools and strategy used:

Database	Search Terms Used	Number of Results	Filters/Limiters Applied
EBSCO (CINAHL)	Post partum AND psychological distress AND mother infant bonding	4	Within last 10 years, Full text, English,
Pubmed	Post partum AND depression AND maternal infant consequences	22	In the last 10 years, full text, meta-analysis, randomized controlled trial, systematic review
PLOS One	Post partum AND depression AND post partum bonding	195	In the last 10 years, maternal health, research article

In searching for my articles I used 4 databases to find my articles, but only 3 of them returned useful information. Those 3 were Pubmed, EBSCO (CINAHL), and PLOS One. I used a series of search combinations but the most fruitful were the ones I have included in the table above. My first 2 searches produced a relatively low number of results which made it easier to narrow down my results. By using filters such as within the last 10 years, English, systematic review, meta-analysis and even topic filters such as maternal health my results were very focused and relevant. When looking through the results I focused initially on the title and then the abstracts with the intent of mentally filtering out studies that didn’t address the postpartum period, interventional studies that did not examine bonding outcomes, and studies that only focused on development and not bonding. As I became accustomed and more informed about the different measures and tools used to assess PPD I began to check to see if each study used evidence-based scales such as the Edinburgh postnatal depression scale. Furthermore, I believe that my systematic approach ensured that I selected the highest level of evidence available and avoided the fatigue of looking through a vast collection of results.

Results found:

1. O’Dea, G. A., Youssef, G., Hagg, L., Francis, L. M., Spry, E., Rossen, L., Smith, I., Teague, S., Mansour, K. A., Booth, A., Davies, S., Hutchinson, D., & Macdonald, J. A. (2023b). Associations between maternal psychological distress and mother-infant bonding: a systematic review and meta-analysis. Archives of Women’s Mental Health, 26(4). https://research-ebsco-com.york.ezproxy.cuny.edu/c/q3txcd/viewer/html/gcwfx667h5

1. Study Type: Systematic review & meta-analysis
2. Abstract:

1. Purpose: Maternal psychological distress and mother-infant bonding problems each predict poorer offspring outcomes. They are also related to each other, yet the extensive literature reporting their association has not been meta-analysed.
2. Methods: We searched MEDLINE, PsycINFO, CINAHL, Embase, ProQuest DTG, and OATD for English-language peer-reviewed and grey literature reporting an association between mother-infant bonding, and multiple indicators of maternal psychological distress.
3. Results: We included 133 studies representing 118 samples; 99 samples (110,968 mothers) were eligible for meta-analysis. Results showed concurrent associations across a range of timepoints during the first year postpartum, between bonding problems and depression (r = .27 [95% CI 0.20, 0.35] to r = .47 [95% CI 0.41, 0.53]), anxiety (r = .27 [95% CI 0.24, 0.31] to r = .39 [95% CI 0.15, 0.59]), and stress (r = .46 [95% CI 0.40, 0.52]). Associations between antenatal distress and subsequent postpartum bonding problems were mostly weaker and with wider confidence intervals: depression (r = .20 [95% CI 0.14, 0.50] to r = .25 [95% CI 0.64, 0.85]), anxiety (r = .16 [95% CI 0.10, 0.22]), and stress (r = .15 [95% CI − 0.67, 0.80]). Pre-conception depression and anxiety were associated with postpartum bonding problems (r = − 0.17 [95% CI − 0.22, − 0.11]).
4. Conclusion: Maternal psychological distress is associated with postpartum mother-infant bonding problems. Co-occurrence of psychological distress and bonding problems is common, but should not be assumed. There may be benefit in augmenting existing perinatal screening programs with well-validated mother-infant bonding measures.
5. Keywords: Maternal-infant bonding, Perinatal, Mental health, Systematic review, Meta-analysis
6. Key points:

1. This article overviews the association between postpartum psychological depression and maternal-infant bonding spanning across the first year of birth. The data that was used comes from nearly 111,000 mothers across multiple studies.
2. The findings include a consistent association between postpartum depression and impaired maternal-infant bonding. These associations were deemed to be strongest after the early postpartum period and continued up to a year.
3. In comparing the effects of depressive symptoms vs. anxiety or just general stress they found that depression overall has a greater impact on maternal-infant bonding. They found that this is due to the negative impacts of depressive symptoms on emotional connection and responsiveness to the infant.
4. Overall, the data implies that postpartum depression is an important risk factor when it comes to abnormal maternal-infant bonding. As a result it is necessary to emphasize early detection and support to try and decrease the incidence of postpartum depression.
5. Why I Chose this study:

• This study offers high-level evidence of the association between post-partum depression and maternal-infant bonding being a systematic review and meta-analysis. As stated previously it includes evidence from across 133 different studies and a significant total of around 111,000 mothers which is reassuring in terms of the generalizability of the findings. Furthermore, in the process of them compiling all the data they examined bonding at different timepoints such as birth up until the 1^st week postpartum, 1 week – 3 months, 3 – 6 months, and 6 -12 months. It essentially sets up a very tangible timeline for readers to associate with their findings which include that depression and bonding associations are reduced in that first week. The study also assessed bonding using evidence-based tools such as the postpartum bonding questionnaire and maternal postnatal attachment scale. Both are validated tools that add an extra level of accuracy and integrity to the data. Overall, this study strongly demonstrates that there indeed are deficits in bonding that arise between mothers with PPD and their infants.

2. Slomian, J., Honvo, G., Emonts, P., Reginster, J.-Y., & Bruyère, O. (2019). Consequences of maternal postpartum depression: a systematic review of maternal and infant outcomes. Women’s Health, 15(15), 174550651984404. https://doi.org/10.1177/1745506519844044

1. Study Type: Systematic Review
2. Abstract:

1. Introduction: The postpartum period represents the time of risk for the emergence of maternal postpartum depression. There are no systematic reviews of the overall maternal outcomes of maternal postpartum depression. The aim of this study was to evaluate both the infant and the maternal consequences of untreated maternal postpartum depression.
2. Methods: We searched for studies published between 1 January 2005 and 17 August 2016, using the following databases: MEDLINE via Ovid, PsycINFO, and the Cochrane Pregnancy and Childbirth Group trials registry.
3. Results: A total of 122 studies (out of 3712 references retrieved from bibliographic databases) were included in this systematic review. The results of the studies were synthetized into three categories: (a) the maternal consequences of postpartum depression, including physical health, psychological health, relationship, and risky behaviors; (b) the infant consequences of postpartum depression, including anthropometry, physical health, sleep, and motor, cognitive, language, emotional, social, and behavioral development; and (c) mother–child interactions, including bonding, breastfeeding, and the maternal role.
4. Discussion: The results suggest that postpartum depression creates an environment that is not conducive to the personal development of mothers or the optimal development of a child. It therefore seems important to detect and treat depression during the postnatal period as early as possible to avoid harmful consequences.
5. Keywords: infant outcomes, maternal outcomes, maternal postpartum depression, mother–infant interactions, systematic review.
6. Key Points:

1. This is a systematic review focused on evaluating the consequences of untreated maternal postpartum depression in not just mothers but their children up to age 3.
2. Some of the major findings include that postpartum depression showed a consistent and significant association with worse maternal psychological health as well as functioning. For example, these women were revealed to have higher levels of anxiety, relationship difficulties, smoking relapse and suicidal ideations, and lower quality of life.
3. Some of the infant-specific associations with PPD included higher rates of febrile illness, increased hospitalizations, more frequent episodes of diarrhea, and worse of all higher infant mortality. In addition to this, delays in cognition and other areas of development were also observed.
4. Most notably, PPD was linked with considerable impacts on mother and child interaction/bonding. They found increased occurrence of reduced maternal responsiveness and caregiving quality, higher rates of issues with breastfeeding or early cessation of breastfeeding.

Why I chose this study:

This systematic review examined both maternal and infant outcomes over 122 different studies. It also studied children up to age 3 providing an expanded view of the downstream effects of poor bonding. What also initially drew me into choosing this study is the fact that it acknowledges the lack of discussion on the overall maternal outcomes of PPD. Furthermore, I felt the previous study already had done an excellent job of demonstrating the effects of PPD and its manifestation of poor bonding while this study actually detailed the adverse maternal outcomes. I found it also quite valuable that the study made mention of the different socioeconomic and environmental factors that feed into PPD.

3. McNamara, Josephine, et al. “A Systemic Review of Maternal Wellbeing and Its Relationship with Maternal Fetal Attachment and Early Postpartum Bonding.” PLOS ONE, vol. 14, no. 7, 25 July 2019, p. e0220032, https://doi.org/10.1371/journal.pone.0220032

1. Study type: Systematic Review
2. Abstract:

1. Background: An emerging body of literature suggests there is a relationship between a pregnant woman’s psychological wellbeing and the development of maternal-fetal attachment (MFA) and early postpartum bonding. The nature of this relationship is not well understood because of the limited theoretical framework surrounding the construct of MFA and variations in study methods and data collection points. In this systematic review, we synthesize the published literature to determine the nature of the relationship from the antenatal to early postnatal period and to provide recommendations for future research and clinical practice.
2. Method: Using the preferred reporting items for systematic reviews and meta-analyses (PRISMA) approach, four electronic databases were searched for peer-reviewed empirical studies, published in English. Articles were considered for inclusion if data was collected on at least one domain of maternal wellbeing/mental health and MFA during pregnancy or MFA during pregnancy and the mother-infant relationship during the early postpartum period (up to 12 weeks). No date parameters were applied to the search strategy. The review was registered with PROPSERO (registration number: CRD42018096174).
3. Results: 25 studies examining maternal mental health and MFA/postpartum bonding were selected for inclusion in this review. Key findings identified from the review were: a need to validate existing mental health measures or develop new measures specific for use in antenatal populations; inconsistencies in data collection points throughout pregnancy and postpartum; a lack of consensus about the construct of MFA and the way it is assessed; and a continued focus on postpartum outcomes.
4. Conclusion: Scientific gaps remain in our understanding of the relationship between maternal mental health and both MFA and postpartum bonding which limit our theoretical understanding of the MFA construct. Recommendations for future research are to employ prospective longitudinal designs that span the full pregnancy and postpartum period, and for consistency in the terminology and methodology used when considering MFA. A re-focus of research attention on the theory behind MFA will allow a richer and more holistic account of the emerging relationship between mother and baby.
5. Key Points:

1. This is a systematic review focusing on how maternal mental health relates to bonding in the maternal-fetal period and the early postpartum period. The study examined 25 observational studies with a total of about 5,983 women and it was found that depression was the most consistently linked factor to bonding/attachment outcomes.
2. Many of the studies also found that there were higher instances of depressive symptoms associated with lower MFA. Much like the other studies that I chose, higher depression was also frequently associated with poor bonding in the early postpartum period.
3. Interestingly, anxiety and stress only demonstrated a mixed and rather inconsistent relationship with MFA & bonding. Also since many of the studies utilized the maternal antenatal attachment scale, attachment was analyzed by 2 different features. First was quality/closeness (i.e. sense of bonding, affection, and feeling connected to the baby) and secondly intensity/preoccupation (i.e. how often the mother thinks about the baby). What they found was that higher rates of anxiety were linked to lower quality/closeness and not intensity/preoccupation.
4. As you’d expect it was also observed that the presence of strong partner relationships alongside social support were found to result in higher MFA and better postpartum bonding.

Why I chose this study:

• I chose this study because it doesn’t just focus on depression as it also evaluated anxiety, stress and social support. I felt that in order to solidify the idea that PPD has a direct and negative effect on mother-infant bonding it would be useful to demonstrate how the other factors aren’t as influential. In accordance with the other studies, this study demonstrates that depression is the most consistent contributor to poor outcomes in terms of mother-infant bonding. Although my PICO question was more directed at the first year postpartum, this study also examined mother-fetal attachment and again depression was associated with lower MFA. As a result evidence shows that depression begins to take its effect early on and continues into the postpartum period.

What is the clinical “bottom line” derived from these articles in answer to your question?

Across each of the studies there is an overlying theme in that maternal postpartum depression is consistently and strongly associated with poor mother-infant bonding. These mothers were found to be increasingly more likely to reveal issues with responsiveness, emotional connection, and serving as a caregiver. To put this into perspective, the Slomian et al. article mentioned that when using the Edinburgh Postnatal Depression Scale women who scored higher than a 13 were found to be five times more likely to experience poor bonding. In addition to poor bonding, there is also a multitude of well-documented mother-child interaction difficulties. For example, in the same Slomian et al. study it was revealed that mothers with depressive symptoms were significantly more likely to discontinue breastfeeding. The final review by McNamara et al. also suggests that even antenatal depressive symptoms have the potential to carry over into the early post-partum period thus influencing early attachment.  The clinical bottom line is that maternal depressive symptoms whether antenatal or postpartum are a strong risk factor for mother-infant bonding and as a result early identification and screening should be prioritized.