Excessive infant crying: educational support appears to reduce parental stress

A review focused on parents, not just crying

The researchers examined interventions designed to support parents of infants aged one year or younger with excessive crying. Their question concerned outcomes for parents, as well as the cost-effectiveness of these interventions.

The literature search covered several scientific databases up to April 8, 2025. Comparative studies were selected, then two independent reviewers extracted the data and assessed the risk of bias. The abstract consulted specifies neither the total number of studies nor the combined sample size.

A positive signal for educational interventions

The meta-analysis reports a statistically significant reduction in parental stress or anxiety with educational interventions. This finding suggests that supporting parents may have value in its own right, even when the initial concern is the baby's crying.

However, the practical significance remains difficult to assess. The abstract provides neither the effect size nor the intervention details needed to identify a preferred program. Findings from studies analyzed without statistical pooling are also mixed.

Probiotics do not show a benefit across all outcomes

Analyses pooling studies in which infants received probiotics find a statistically significant improvement in parental quality of life, but not in parental depression. These two outcomes are not interchangeable: a benefit in quality of life does not demonstrate an effect on depression.

The abstract does not specify the strains, doses or durations studied. It therefore cannot support a product recommendation. Crucially, the review reports no safety data: this lack of information is not evidence of safety.

Encouraging findings that remain difficult to generalize

Few studies measured parental outcomes that were sufficiently comparable to be pooled. The risk of bias ranged from unclear to high, and economic data were limited. These weaknesses prevent a confident determination of which intervention provides the best support.

The most useful conclusion therefore remains cautious: educational interventions appear to have the potential to relieve stress or anxiety in parents dealing with excessive crying. This review is not enough to define a specific program or make probiotics a routine recommendation.

What we can take away

Educational support appears helpful for parental stress or anxiety, but the evidence does not yet allow a specific intervention to be chosen with confidence.