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About this tool
Log every feed with side and duration, then see daily totals, gaps between feeds, left-right balance and the longest stretch.
A breastfeeding session log records the start time, side and duration of every feed, then totals the day: minutes at the breast, start-to-start gaps, left-right balance and the longest stretch between feeds including overnight. It is built for the first weeks at home, when guidance from the AAP and WHO describes roughly 8-12 feeds in every 24 hours and alternating the starting breast to keep supply even. The log stays in your browser and produces a plain-text summary you can hand to a midwife, health visitor or paediatrician.
Open Breastfeeding Session Log on AltFTool — it loads instantly in your browser.
Add your input to the workspace.
Adjust the options until the result looks right.
Copy or download the output and put it to work.
Feed count, total minutes and average feed length from one list.
Start-to-start gaps, the longest daytime gap and the overnight stretch.
Left and right minute shares so one breast does not quietly fall behind.
AAP and WHO guidance describes roughly 8 to 12 feeds in every 24 hours for a healthy newborn in the first weeks, fed on demand rather than on a fixed clock. Fewer than eight feeds a day, or a baby too sleepy to wake for feeds, is worth raising with your midwife or paediatrician.
Measure from the start of one feed to the start of the next. That is how the 8-12 feeds per 24 hours and the two-to-three-hourly rhythm are normally described, and it does not change when a feed runs long. This log uses start-to-start for every gap it reports.
Newborn feeds commonly run about 10 to 20 minutes per breast, but the range is wide and shortens as the baby gets more efficient — a five-minute feed from an older, fast-feeding baby can transfer as much milk as a 30-minute newborn feed. Duration alone is not a measure of intake; nappy output and weight gain are.
Alternating the starting breast helps keep milk production even on both sides, because the breast that starts is usually drained more thoroughly. This log shows the minute split between left and right and flags it when the two sides drift more than 20 percentage points apart, which is the usual sign one side is being skipped.