What is the difference between baby blues and postpartum depression?

"Baby blues" affect 50–80% of new mothers, featuring mood swings, tearfulness, irritability, and anxiety in the first 2 weeks after delivery — they resolve spontaneously. Postpartum depression (PPD) is more severe, lasts longer (weeks to months without treatment), and includes persistent sadness, loss of interest, guilt, sleep and appetite disturbance, difficulty bonding with the baby, and sometimes thoughts of self-harm. PPD requires treatment (therapy, medication, or both).

When should the EPDS be administered?

ACOG and USPSTF recommend at least: once during pregnancy (first prenatal visit or early third trimester) and once postpartum (6–12 week visit). Many practices screen at 1 week, 4–6 weeks, 3 months, and 6 months postpartum. Screening should also occur at any visit where depressive symptoms are suspected. The EPDS asks about the past 7 days, so repeated screening captures evolving symptoms.

Is the EPDS valid for fathers?

Yes — the EPDS has been validated for paternal perinatal depression (PPD in fathers), which affects 5–10% of new fathers. The same threshold of ≥10 is used. Paternal PPD often presents differently than maternal PPD — more irritability, withdrawal, substance use, and risk-taking behavior. Screening both parents is increasingly recommended, as paternal PPD is strongly associated with maternal PPD.

What treatments are effective for perinatal depression?

Evidence-based treatment can include psychotherapy (especially CBT and IPT), antidepressants when medication is appropriate, and newer neuroactive-steroid options in selected cases. The right choice depends on severity, breastfeeding plans, comorbidities, access, and clinician follow-up. Severe cases may require urgent psychiatric assessment or hospitalization.

Can the EPDS be used outside the perinatal period?

The EPDS was developed and validated specifically for perinatal populations. For non-perinatal depression screening, the PHQ-9 is more widely used and validated. However, some clinics use the EPDS up to 12 months postpartum and beyond. The PHQ-9 is preferred for general adult depression screening because it maps directly to DSM-5 diagnostic criteria.

What is the difference between EPDS and PHQ-9?

The EPDS (10 items, 0–30) was specifically designed for perinatal use — it avoids somatic symptoms (fatigue, appetite, sleep changes) that are normal in pregnancy/postpartum and focuses on emotional/cognitive symptoms. The PHQ-9 (9 items, 0–27) maps to DSM-5 criteria and includes somatic items, making it better for general adult populations but potentially less specific in perinatal settings where somatic symptoms are confounded by normal pregnancy/postpartum changes.

Edinburgh Postnatal Depression Scale (EPDS) Calculator

Screen for perinatal depression with the EPDS questionnaire. 10-item validated scale for postpartum, antenatal, and paternal depression screening.

⚠️ Medical Disclaimer: The EPDS is a screening tool, not a diagnostic instrument. A high score does not confirm a diagnosis of depression. Clinical assessment by a qualified professional is always required.

Assessment Period

Presets:

Answered: 0 / 10 — Please select the answer that best describes your feelings over the past 7 days.

1. I have been able to laugh and see the funny side of things

2. I have looked forward with enjoyment to things

3. I have blamed myself unnecessarily when things went wrong

4. I have been anxious or worried for no good reason

5. I have felt scared or panicky for no very good reason

6. Things have been getting on top of me

7. I have been so unhappy that I have had difficulty sleeping

8. I have felt sad or miserable

9. I have been so unhappy that I have been crying

10. The thought of harming myself has occurred to me

Planning notes, formulas, and examples

About the Edinburgh Postnatal Depression Scale (EPDS) Calculator

The Edinburgh Postnatal Depression Scale (EPDS) Calculator implements the widely used 10-item self-report questionnaire for screening perinatal depression in mothers and fathers. The EPDS is recommended by ACOG, the APA, and the US Preventive Services Task Force (USPSTF) for routine perinatal depression screening, and it has been validated in over 60 languages across diverse populations.

Postpartum depression affects approximately 10–15% of mothers and 5–10% of fathers within the first year after delivery. The EPDS screens for depressive symptoms experienced over the past 7 days, including inability to laugh, loss of enjoyment, self-blame, anxiety, panic, feeling overwhelmed, sleep difficulty due to unhappiness, sadness, crying, and thoughts of self-harm. Each item is scored 0–3, yielding a total score of 0–30.

A score of ≥10 is a common threshold for postpartum screening (sensitivity ~86%, specificity ~78%). For antenatal screening, a threshold of ≥13 is sometimes used due to higher baseline anxiety in pregnancy. The EPDS is a screening tool — not a diagnostic instrument — and positive screens require clinical follow-up for diagnosis. Question 10 regarding self-harm thoughts requires immediate safety assessment regardless of total score.

When This Page Helps

Perinatal depression is underdiagnosed — up to 50% of cases are missed without systematic screening. The EPDS specifically focuses on the cognitive and emotional components of depression (rather than somatic symptoms like fatigue and appetite changes that are normal in the postpartum period), making it more appropriate than general depression scales like the PHQ-9 for perinatal populations.

How to Use the Inputs

Select the assessment period (postpartum, antenatal, or partner/paternal).
Answer all 10 questions based on feelings over the past 7 days.
Each question has 4 response options scored 0–3.
Review the total score, severity classification, and subscale scores.
Pay special attention to Question 10 (self-harm) — any score >0 requires safety assessment.
A positive screen requires follow-up with a qualified mental health professional.

Formula used

EPDS Total Score = Sum of all 10 items (each scored 0–3)
Range: 0–30

Screening thresholds:
• Postpartum: ≥10 (positive screen)
• Antenatal: ≥13 (positive screen)

Subscales:
• Anxiety: Questions 3, 4, 5
• Depression: Questions 1, 2, 8, 9
• Self-harm: Question 10

Sensitivity: ~86% at threshold ≥10
Specificity: ~78% at threshold ≥10

Example Calculation

Result: EPDS Score: 13 — Likely depression, refer for evaluation

Total score 13 is above the postpartum threshold of ≥10. Anxiety subscore (Q3+Q4+Q5) = 5/9 suggests significant anxiety. Depression subscore (Q1+Q2+Q8+Q9) = 5/12. Q10 = 0 (no self-harm). Referral for clinical diagnostic evaluation is recommended. The elevated anxiety subscore suggests screening for comorbid anxiety disorder.

Tips & Best Practices

Screen at least once during pregnancy and once postpartum (6–12 weeks) — ACOG recommends screening at the comprehensive postpartum visit.
Question 10 is critical — ANY score >0 requires immediate assessment for suicidal ideation, plan, and means regardless of total score.
The EPDS can also be used for paternal perinatal depression — use the same threshold (≥10).
Cultural factors may influence response patterns — some cultures stigmatize endorsing emotional distress, potentially leading to falsely low scores.
Repeat screening is important — depression can develop months after delivery, not just in the immediate postpartum period.
Consider pairing with the GAD-7 for comorbid anxiety assessment, which co-occurs in ~50% of perinatal depression cases.

History and Development

The EPDS was developed by John Cox (psychiatrist), Jeni Holden (health visitor), and Ruth Sagovsky (research psychologist) in Edinburgh and Livingston, Scotland. It was created because existing depression scales (Beck Depression Inventory, Zung Scale) had poor performance in postnatal populations due to inclusion of somatic items that overlap with normal postpartum experiences. The original validation study in the British Journal of Psychiatry established the ≥13 threshold for "definite" depression and ≥10 for "possible" depression. The ≥10 threshold has become the standard in most clinical settings.

Screening Implementation

Successful EPDS implementation requires: training staff on administration and scoring, establishing a referral pathway for positive screens, ensuring timely follow-up (within 1–2 weeks for scores 10–12, within 1 week for ≥13, immediately for Q10 >0), and documenting screening and outcomes. Electronic health record integration with automatic scoring and alerts improves implementation. The EPDS is freely available without licensing fees for clinical and research use.

Cultural Considerations

The EPDS has been translated into over 60 languages and validated across diverse cultural settings. However, cultural factors affect disclosure — in some cultures, acknowledging mental health difficulties carries significant stigma. Research suggests the EPDS may underestimate depression prevalence in certain cultural groups. Healthcare providers should use culturally sensitive approaches, ensure translated versions are linguistically validated (not just word-for-word translations), and consider that the optimal threshold may vary across populations.

Sources & Methodology

Last updated: March 31, 2026

Methodology

This worksheet totals the standard EPDS items and maps the result to the usual screening thresholds used in perinatal care. It is a screening aid, not a diagnosis or safety assessment by itself.

Sources

The Edinburgh Postnatal Depression Scale (Cox, Holden, Sagovsky) — Original EPDS validation paper.
Perinatal depression screening guidance (ACOG / USPSTF) — Routine screening and follow-up context for EPDS results.

Frequently Asked Questions

"Baby blues" affect 50–80% of new mothers, featuring mood swings, tearfulness, irritability, and anxiety in the first 2 weeks after delivery — they resolve spontaneously. Postpartum depression (PPD) is more severe, lasts longer (weeks to months without treatment), and includes persistent sadness, loss of interest, guilt, sleep and appetite disturbance, difficulty bonding with the baby, and sometimes thoughts of self-harm. PPD requires treatment (therapy, medication, or both).
Yes — the EPDS has been validated for paternal perinatal depression (PPD in fathers), which affects 5–10% of new fathers. The same threshold of ≥10 is used. Paternal PPD often presents differently than maternal PPD — more irritability, withdrawal, substance use, and risk-taking behavior. Screening both parents is increasingly recommended, as paternal PPD is strongly associated with maternal PPD.
The EPDS (10 items, 0–30) was specifically designed for perinatal use — it avoids somatic symptoms (fatigue, appetite, sleep changes) that are normal in pregnancy/postpartum and focuses on emotional/cognitive symptoms. The PHQ-9 (9 items, 0–27) maps to DSM-5 criteria and includes somatic items, making it better for general adult populations but potentially less specific in perinatal settings where somatic symptoms are confounded by normal pregnancy/postpartum changes.