"Is my baby getting enough?" is the question running underneath almost every other feeding worry. It's especially loud for breastfeeding parents who can't see the volume going in, but bottle-feeding parents ask it too. The trick is evaluating it the right way, without making a panicked decision off a single ambiguous data point at 3 AM.
Two things to know up front
One: most babies who appear to be feeding well are feeding well. The signals that something is genuinely off tend to stack: multiple flags at once, not just one ambiguous data point.
Two: the pediatrician's scale is the source of truth. Everything below is what to watch between visits. A real weight check at the right cadence is what answers the question with actual confidence.
The reliable green flags
These are the signals that, when they line up, indicate feeding is going well.
1. Wet diapers
After the first week, 6 or more genuinely wet diapers a day is the simplest, most reliable home signal that fluid is going in and through.
Modern disposable diapers can absorb a small wet without feeling wet to your hand. To calibrate: pour 2 tablespoons of water on a fresh diaper. That's roughly what one decent wet looks and feels like.
2. Stools (in the right pattern for the age)
The stool pattern depends a lot on age and feeding type:
- Days 0–4: transitioning from meconium (dark/tarry) to greenish to yellow
- Week 1–4: at least 3 dirty diapers a day for both breast- and formula-fed babies; often more
- 4–6 weeks onward: breastfed babies often slow dramatically (sometimes 5–7 days between stools, with a soft, comfortable poop when it comes); formula-fed usually stay at 1–3 a day
- After solids: more variable, generally 1–3 a day
A baby producing comfortable, age-appropriate stools is processing food.
3. Active, engaged feeding behavior
A baby who is feeding well will:
- Latch deeply or accept the bottle nipple without dramatic struggle (occasional rough latches are normal; persistent ones are not)
- Show rhythmic suck-swallow patterns. You can see jaw movement and hear or sense swallowing during nursing, or watch the bottle level drop steadily.
- Settle into the feed rather than fight it for the duration
- Release on their own when finished, often falling away from the breast or letting the bottle slip. Not always, but often.
A baby who is consistently fighting the breast or bottle, won't latch, or seems frustrated by feeding may need an evaluation (latch issues, oral ties, slow flow, fast flow, or reflux can all show up this way).
4. Content between feeds
A well-fed baby is not necessarily a baby who never cries. But a well-fed baby:
- Has periods of calm alertness during awake windows
- Sleeps reasonably between feeds (allowing for newborn sleep variability)
- Is not always frantically rooting or showing hunger cues
A baby who is constantly hungry, never satisfied, and is not gaining weight is a different signal.
5. Weight gain at pediatrician visits
This is the gold-standard signal:
- First 5 days: lose up to 7–10% of birth weight (normal)
- By 10–14 days: back to birth weight
- First 3 months: roughly 5–7 oz per week (about 150–200 g)
- 3–6 months: roughly 4–5 oz per week
- 6–12 months: roughly 3–4 oz per week, slowing toward year-end
Babies don't gain in straight lines. Some weeks are bigger, some smaller. The trend over multiple weight checks is what matters, not a single visit. If a baby is following their own growth curve consistently, that's a green flag even if their curve sits below average.
6. Alertness and engagement
By 4–6 weeks, you should see real engagement during awake periods: eye contact, the start of social smiling, head turning toward sounds, periods of "looking at things." A persistently lethargic baby who's hard to wake for feeds and disengaged when awake is not a normal feeding pattern.
7. Reaching milestones over time
You don't need to track milestones obsessively, but the broad ones (head control, smiling, rolling, sitting, eventually crawling) should arrive in roughly typical windows. Persistent delays warrant a conversation with the pediatrician, which may or may not be feeding-related.
The ambiguous signals that confuse parents
These are signals people often interpret as "not getting enough" when they usually aren't:
- Frequent feeds. A newborn eating every 1.5–2 hours is normal. A 6-week-old still eating every 2 hours is normal. Frequency alone is not a problem.
- Cluster feeding in the evening. Normal in the first 8–12 weeks. Not a sign of low supply.
- Short night stretches. Most babies don't sleep 5+ hour stretches until 8–12 weeks. A short night stretch in a 4-week-old is normal.
- Fussiness in the witching hour. Common from weeks 2 through 8, typically late afternoon to evening. Not a feeding diagnosis.
- A baby that suddenly wants to feed every hour for two days. Often a growth spurt. Wait a few days before assuming it's a problem.
- Soft breasts (for nursing parents). Around weeks 4–8, your supply regulates and you'll feel less full. This isn't a drop in supply.
- A baby who feeds quickly. Older babies (3+ months) often finish feeds in 5–10 minutes. They're not under-feeding; they're efficient.
The signals that genuinely warrant an evaluation
When multiple of these line up, get a feeding evaluation rather than waiting:
- Fewer than 6 wet diapers a day in a baby older than one week
- Stools that don't progress past meconium by day 4–5
- No weight gain at the 2-week visit, or sustained slow gain across multiple visits
- Lethargy. Hard to wake for feeds, not engaged when awake.
- Sunken soft spot on the head
- Dry mouth, no tears when crying, dark urine (signs of dehydration)
- Consistent fussiness through and after every feed, not just sometimes
- Visibly poor latch with breastfeeding pain that's not improving
- A newborn who never seems to swallow during nursing
A pediatrician visit, lactation consultant, or both can usually pinpoint what's going on quickly. A weighted feed (baby weighed before and after a nursing session) tells you exactly how much they took in. That one data point ends a lot of guesswork.
What's not a useful measure
A few things parents reach for that don't reliably mean what they think:
- How much you can pump. Pumps are less efficient than babies. Pump output is not a measure of supply.
- How long the baby nurses. Length tells you almost nothing. A 5-minute efficient feed and a 30-minute slow feed can deliver the same volume.
- Whether the breast feels "full." After early supply regulation, breasts often don't feel full even when supply is fine.
- What other babies are doing. Healthy babies vary enormously.
- Whether the bottle is "drained." Babies will sometimes finish a bottle past full because the flow makes it easy. Paced feeding helps with this.
A simple monthly checklist
For the first three months, a quick mental check at the end of each day:
- ☐ Roughly 6+ wet diapers
- ☐ Age-appropriate stools (frequent in the first 4–6 weeks; less frequent for breastfed past 6 weeks if soft and comfortable)
- ☐ Periods of calm alertness during awake windows
- ☐ Settles for sleep at least sometimes between feeds
- ☐ Engaging more this week than last week (eye contact, social smiles, etc.)
If you log feeds and diapers in Tottli, the first two checkboxes answer themselves from the daily summary, which is the part of this list most likely to slip through a sleep-deprived day. If those are all checking out, the feeding is almost certainly going well, regardless of what frequency or volume looks like. If multiple are off, get a real evaluation rather than spending another night doom-scrolling.
In short
Trust the diapers. Trust the scale at the well visit. Trust your specific baby's trend rather than internet averages. Most "is my baby getting enough?" worries fade by month three on their own. The ones that don't usually get answered by a fifteen-minute appointment, not a fifteenth Google search.