Evidence-based parenting research

Where data meets pediatric expertise.

Original research, medical advisor commentary, and clinical resources from the team behind Wermom — published openly so parents, journalists, and pediatricians can cite data, not anecdote.

Browse research Meet our advisors

From the Wermom data team.

Aggregated, anonymized insights from 50,000+ tracked baby experiences — reviewed by our 16 medical advisors before publication.

Sleep · 2026

The real 4-month sleep regression timeline: data from 12,000 babies

What we found challenges the "two weeks and it's over" advice. The median regression actually lasts 23 days, with three distinct sub-patterns.

Reviewed by Wermom pediatric sleep specialists
Feeding · 2026

When do babies actually drop the dream feed? Patterns across 8,500 sleep logs.

The popular advice says "9-10 months." Our data says the median is 11.4 months, with surprising variation by feeding type.

Reviewed by Wermom IBCLC advisors
Milestones · 2026

Rolling over: AAP says 4 months. Our data shows the real range is 3-7 months.

Why parent worry about "late" rolling is often misplaced — and the small subset of patterns that do warrant a pediatrician check.

Reviewed by Wermom developmental pediatrics team

16 specialists across 4 disciplines.

Every clinical claim on Wermom platforms is reviewed by an advisor whose name and credentials appear on the page. Available for journalist quotes within 48 hours.

Pediatric Sleep Medicine
Sleep regressions · Safe sleep · Sleep training methods
Pediatrics
Milestones · Common illness · Vaccine schedule · Growth tracking
Obstetrics & Gynecology
Pregnancy week-by-week · Postpartum recovery · Birth plans
Lactation (IBCLC)
Breastfeeding · Pumping · Solids introduction · Weaning

Meet the full advisor roster →

Clinical resources by life stage.

01

Pregnancy

40-week timeline, complications, prenatal care guidelines.

02

Newborn (0-3 mo)

Feeding rhythms, sleep, safe sleep environment, jaundice.

03

Infant (4-12 mo)

Solids intro, sleep training, milestones, allergens.

04

Toddler (1-3 yr)

Speech, behavior, nutrition, sleep transitions.

05

Postpartum

Recovery timeline, mental health, return to work.

06

Maternal Health

Mental load, sleep deprivation, identity transitions.