A woman, who is 4 days postpartum, presented with tearfulness, mood swings, and occasional insomnia. What is the likely diagnosis?

Correct Answer: C. Postpartum blues

Postpartum blues is a mild, self-limited mood disturbance occurring in 50–80% of women within the first 2 weeks after delivery, typically peaking at day 3–5. The clinical presentation here—tearfulness, mood swings, and insomnia at day 4 postpartum—is pathognomonic. The key discriminator is the timing (first 2 weeks), mildness (no functional impairment), and spontaneous resolution within 2 weeks without treatment. Postpartum blues is driven by rapid hormonal withdrawal (estrogen, progesterone) and neurochemical shifts, not a true psychiatric disorder. The symptoms are transient emotional lability, not depressive episodes. Indian guidelines (IAP, FOGSI) classify this as a normal variant of postpartum adjustment, not requiring pharmacotherapy—reassurance and support suffice. The absence of suicidal ideation, psychotic features, or severe functional impairment rules out depression and psychosis. This is a screening question testing recognition of the natural postpartum emotional trajectory in Indian obstetric practice.

Why the other options are wrong

A. Postpartum anxiety — Postpartum anxiety typically presents with persistent worry, panic attacks, or obsessive thoughts (e.g., intrusive thoughts about harm to baby) and requires onset beyond day 2–3. While insomnia is present here, the predominant symptoms are tearfulness and mood swings, not anxiety-specific features. Anxiety disorders also cause functional impairment and require treatment; blues do not. B. Postpartum depression — Postpartum depression (PPD) has onset typically 2–4 weeks postpartum (though can occur up to 1 year), lasts >2 weeks, and includes anhedonia, guilt, worthlessness, or suicidal ideation. At day 4 with only tearfulness and mood swings, the timeline and severity do not fit PPD. PPD requires treatment (SSRIs, psychotherapy); blues resolve spontaneously. This is the NBE trap—confusing timing and severity. D. Postpartum psychosis — Postpartum psychosis is a psychiatric emergency with onset typically 2–4 weeks postpartum, presenting with delusions, hallucinations, disorganized behavior, or mania. The patient here has no psychotic features, no disorganization, and no evidence of severe mood elevation or paranoia. Psychosis requires urgent hospitalization and antipsychotics; this patient needs only reassurance.

High-Yield Facts

Mnemonics

*3-5-14 Rule for Postpartum Blues Onset day 3–5, resolves by day 14, affects 50–80% of women. Use this to instantly rule out depression (week 2+) and psychosis (week 2+). PPD vs Blues: SAD vs HAPPY Blues = Sad mood + Anxious + Dazed + Yawning (transient). PPD* = Hopeless + Anhedonia + Persistent + Psychomotor changes (>2 weeks, treatment needed).

NBE Trap

NBE pairs day 4 postpartum with mood symptoms to trap students who conflate postpartum blues (normal, self-limited) with postpartum depression (pathological, requires treatment). The key is recognizing timing within 2 weeks + spontaneous resolution as the hallmark of blues, not depression.

Clinical Pearl

In Indian obstetric wards, postpartum blues is so common that mothers are routinely counseled at discharge: "You may feel tearful or moody for a few days—this is normal and will pass." Distinguishing blues from depression at day 4 prevents unnecessary SSRI initiation and reassures anxious families that no psychiatric intervention is needed.

_Reference: Harrison Ch. 397 (Postpartum Psychiatric Disorders); Kaplan & Sadock's Synopsis of Psychiatry (Postpartum Mood Disorders)_