Newborn, day by day · Day 9
Newborn day 9: diapers, poop and feeding
Last reviewed November 2026 against AAP, CDC, NHS and WHO guidance · Sources
Quick answer
On day 9, expect 6 or more wet diapers and 3–4 or more poops (yellow and seedy). Most newborns feed 8–12 or more times in 24 hours, and formula-fed babies take about 2–3 oz (60–90 ml) per feed. Evening cluster feeding often starts showing up around now. Every baby is different, so watch diapers and cues.
- Wet diapers
- 6 or more
- Poops
- 3–4 or more
- Feeds / 24h
- 8–12 or more
On this page
What's normal on day 9?
| What to expect | |
|---|---|
| Wet diapers | 6 or more |
| Poops | 3–4 or more (formula-fed: at least 1) |
| Poop color | Yellow and seedy (breastfed); tan to yellow (formula) |
| Feeds in 24 hours | 8–12 or more |
| Breast milk per feed | Often 2–3 oz (60–90 ml) if given by bottle |
| Formula per feed | About 2–3 oz (60–90 ml) |
| Milk | Transitional, moving toward mature milk |
| Weight | Gaining |
How much does a 9-day-old eat?
Feeds are getting more efficient. You may notice your baby finishing faster, or taking longer stretches between some feeds. Daytime feeds every 2–3 hours are typical.
Formula bottles are often 2–3 oz (60–90 ml). If your baby finishes and still roots, the AAP suggests adding about an ounce at a time.
How many diapers should a 9-day-old have?
Wet diapers should keep coming: 6 or more a day with pale urine. Breastfed poop should be yellow and seedy; formula-fed poop is yellow-tan and thicker.
See every day side by side in wet diapers by day and the baby poop color guide.
What else is normal on day 9?
- Some babies get fussier in the evening. Short, frequent evening feeds (cluster feeding) are common and usually ease after a growth spurt.
What happens on day 10?
Day 10 is a common point for babies to reach, or get close to, birth weight.
Read next: Newborn day 10
When to call your pediatrician
- A rectal temperature of 100.4°F (38°C) or higher in a baby 3 months or younger. The AAP says to call right away, even if your baby seems otherwise well.
- Fewer wet diapers than expected for the day of life (see the table above), or dark yellow urine.
- No meconium (black, sticky poop) in the first 48 hours, or still black or dark green poop on day 5.
- Pink or brick-red staining in the diaper that keeps showing up after the first few days, or blood in the urine.
- Not back to birth weight by about 2 weeks, or your baby seems hungry after nearly every feed.
- Breastfeeding parent: milk hasn't come in by day 5, or breasts stay hard and full after feeds.
- Very sleepy and hard to wake for feeds, floppy, or unusually quiet.
- Yellow skin or eyes that spread or deepen, or any yellow color in the first 24 hours.
- Trouble breathing, blue or gray lips, or your baby is limp or very hard to wake: call 911 (or your local emergency number) now.
If something feels wrong, trust that feeling and call. You never need a reason beyond worry.
Questions parents ask
Is it normal for my 9-day-old to cluster feed in the evening?
Yes. USDA WIC describes cluster feeding as feeds bunched together, especially in the evening, and calls it normal. Plenty of wet diapers and steady weight gain tell you it's going well.
How much formula should a 9-day-old drink?
About 2–3 oz (60–90 ml) per feed, 8 to 10 times a day, is typical in week 2. Watch your baby's cues rather than the bottle: stop when they turn away or relax.
How many wet diapers should a 9-day-old have?
Expect 6 or more wet diapers in 24 hours on day 9, plus 3–4 or more poops that are yellow and seedy. Fewer wet diapers than that, or dark urine, is a reason to call your pediatrician.
Related guides
- How many wet diapers should a newborn have?Newborn wet and dirty diapers by day, from day 1 to week 2: how many to expect, poop color changes, and when fewer diapers mean it's time to call.
- Baby poop color guide: what's normal and what's notA baby poop color chart: meconium, transitional green, mustard yellow, formula tan, plus the colors (red, black, white) that mean call your pediatrician.
- How to tell if your baby is getting enough breast milkSigns a breastfed baby is getting enough: wet and dirty diapers by day, weight gain, swallowing and contentment after feeds, plus the warning signs to act on.
- How much should a 2-week-old eat?How much a 2-week-old eats: 2–3 oz (60–90 ml) per feed, 8–10 times a day. Daily totals, a sample schedule, hunger cues and when to call the doctor.
- How to track baby feeding and diapersWhy pediatricians ask about feeds and diapers, exactly what to log for breast, bottle and combo feeding, and paper vs notes app vs tracking app compared.
Free tools
Sources
Last reviewed November 2026. Numbers are ranges from these public health sources; 1 oz ≈ 30 ml.
- AAP · HealthyChildren.org: How Much Formula Does My Baby Need?
- USDA WIC Breastfeeding Support: Cluster Feeding and Growth Spurts
- AAP · HealthyChildren.org: The Many Colors of Baby Poop
- AAP · HealthyChildren.org: How to Tell if Your Breastfed Baby is Getting Enough Milk
- NHS: Breastfeeding: milk supply
- AAP · HealthyChildren.org: Fever and Your Baby
Feedoo Baby shares general information, not medical advice. Every baby is different. If you're worried about feeding, weight gain, diapers or your baby's health, call your pediatrician, midwife or health visitor.