- Design
- Systematic review with meta-analysis where possible
- Population
- Parents of excessively crying infants aged 1 year or under
- Primary outcome
- Parental stress, anxiety, depression and quality of life
- Effect
- Education reduced stress or anxiety; probiotics improved parental quality of life but not depression
Parents report that 10–20% of babies cry a lot without apparent cause in early infancy, and the consequences can include parental depression, stopping breastfeeding and, rarely, abuse. This systematic review in Pediatrics looked for interventions that support those parents.
Pooled analyses found educational interventions reduced parental stress or anxiety. Studies giving probiotics to the infant improved parents' quality of life but not parental depression. Other findings were mixed, safety data were absent and economic evidence was thin. Risk of bias ranged from unclear to high, and few studies used comparable outcomes.
For clinic, the useful message is that education for parents — about normal crying patterns, coping and when to worry — is the best-supported approach, and costs little.
- Explain the normal crying curve, which peaks around six to eight weeks and then settles.
- Ask how the parent is coping, and screen for low mood.
- Give a plan for when crying becomes overwhelming, including putting the baby down safely.
- Examine the baby to exclude illness, then avoid medicalising normal crying.
Why it matters
The risk in excessive crying sits mostly with the exhausted parent, and education is the cheapest support that helps.
Don't overread it
The studies were small and at unclear to high risk of bias; probiotics did not improve parental depression.
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