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Pumping schedule for a 4-month-old

Informational; supply and bodies vary · Updated July 2026

Quick answer: Plan on 5 pumps per 24 hours for a 4-month-old. A sample rhythm: 6a · 10a · 2p · 6p · 10p. Judge any schedule change by a full week of totals, never a single session.
Milk First pump timer with quick logging buttons

The shape of this stage

Five solid sessions carry most EP moms through the regression months. Distracted-baby chaos does not apply to pumps, which makes EP schedules oddly stabler than nursing ones at this age.

Working the schedule

Consider capacity math: if your breasts comfortably hold more between sessions, longer gaps hold output; if you leak and ache by hour three, keep gaps shorter regardless of the clock.

Milk First pump timer with two-tap logging

In Milk First

Log any session in two taps, backdate the ones you forgot, and let the 7-day average chart answer supply questions with real numbers. Every pump files its milk into the stash automatically.

Milk First keeps every date, clock, and rule from this page automatic, so 3 AM you never has to remember any of it.

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