Day 9 of 60 · Week 2
Weight
Last reviewed · 3 min read · 15 sources · Plain-text version
When babies get back to birth weight, why the evenings feel like one long feed, and the feeding worries worth an early call.

Around now, a lot of parents start doing math: how much did they lose, are they back yet, why are they hungry again. Today is about the numbers that matter and the ones that don't.
Heart
However you feed, the job is the same: watch for early hunger cues, let your baby set the pace, and stop at signs of fullness. The AAP recommends exclusive breastfeeding for about 6 months when possible (Meek & Noble, 2022), and many families use formula or a mix, for good reasons. Your baby isn't keeping score. They're learning that hunger ends.
Head
In a study of more than 140,000 newborns, half were back to birth weight by day 9 or 10, but 14% born vaginally and 24% born by cesarean weren't back at 2 weeks (Paul et al., 2016). Most are back by about 2 weeks, almost all by 3 weeks, and then the average baby gains almost an ounce a day (AAP).
So if your baby isn't back today, they're in a large group. Your pediatrician tracks this; you don't need a home scale.
Body
Growth spurts around 7 to 10 days, and again at 3 to 6 weeks, can bring extra-hungry stretches (AAP). Evenings are often the worst. Cluster feeding, several short feeds closer together than usual, tends to happen in the evening, when levels of prolactin, a milk-making hormone, are usually lowest (Cleveland Clinic). Formula-fed babies are still on about 1 to 2 ounces a feed in this stretch (AAP).
Try today

Hold and carry more
Time: Extra holding through the day, beyond feeds and crying spells · Hold and carry more in the guide
Pick a few calm, awake times today to hold your baby, not only when they cry or feed.
Hold them upright against your chest, or walk the house and describe what you see.
If you use a sling or carrier, keep their face visible, nose and mouth clear, and chin off their chest (AAP).
Hand them to a partner or grandparent for the next round.
Make it work:The evidence is mixed. In a 1986 randomized trial of 99 families, babies who got extra carrying cried and fussed 43% less at 6 weeks (Hunziker & Barr, 1986), but a later trial didn't repeat that result (St James-Roberts et al., 1995). Holding won't spoil them either way.
Watch for
Normal
evening cluster feeding.
Call your pediatrician
if your baby is more than a week old and feeding constantly, or if you're worried about latch or milk supply (Cleveland Clinic).
Normal
seeming satisfied for 1 to 3 hours between feeds (AAP).
Call during office hours
if your baby isn't gaining weight well (AAP).
Normal
a hungrier few days around a growth spurt.
Call right away
if your baby vomits more than once (not just spit-up) (Nationwide Children's).
For you

If feeding hurts, don't wait it out. Pain, latch trouble, or worry about supply are reasons to call early; breastfeeding support is part of what the pediatrician's office is there for (AAP, 2025). A tender, red, warm area on one breast is a call to your own provider (MedlinePlus).
Your breasts can feel full, tender, or uncomfortable whether or not you're breastfeeding (Office on Women's Health). Severe nausea and throwing up, or a fast-beating heart, are urgent warning signs for you; seek care immediately (CDC).
If you're the partner: the evening cluster is your shift. Dinner, burping, diapers, and the walk around the block with the baby on your chest.
Sources
- Meek JY, Noble L. "Policy Statement: Breastfeeding and the Use of Human Milk." Pediatrics, 2022. https://pubmed.ncbi.nlm.nih.gov/35921640/
- Paul IM, Schaefer EW, Miller JR, et al. "Weight Change Nomograms for the First Month After Birth." Pediatrics, 2016. https://pubmed.ncbi.nlm.nih.gov/27940721/
- American Academy of Pediatrics. "Your Baby's First Month: Growth & Physical Appearance." HealthyChildren.org. https://www.healthychildren.org/English/ages-stages/baby/Pages/First-Month-Physical-Appearance-and-Growth.aspx
- Cleveland Clinic. "Cluster Feeding." 2024. https://my.clevelandclinic.org/health/articles/cluster-feeding
- American Academy of Pediatrics. "Amount and Schedule of Baby Formula Feedings." HealthyChildren.org. https://www.healthychildren.org/English/ages-stages/baby/formula-feeding/Pages/amount-and-schedule-of-formula-feedings.aspx
- American Academy of Pediatrics. "Baby Carriers: Backpacks, Front Packs & Slings." HealthyChildren.org. https://www.healthychildren.org/English/safety-prevention/on-the-go/Pages/Baby-Carriers.aspx
- Hunziker UA, Barr RG. "Increased carrying reduces infant crying: a randomized controlled trial." Pediatrics, 1986. https://pubmed.ncbi.nlm.nih.gov/3517799/
- St James-Roberts I, Hurry J, Bowyer J, Barr RG. "Supplementary carrying compared with advice to increase responsive parenting as interventions to prevent persistent infant crying." Pediatrics, 1995. https://pubmed.ncbi.nlm.nih.gov/7862477/
- American Academy of Pediatrics. "How to Tell if Your Breastfed Baby is Getting Enough Milk." HealthyChildren.org. https://www.healthychildren.org/English/ages-stages/baby/breastfeeding/Pages/How-to-Tell-if-Baby-is-Getting-Enough-Milk.aspx
- Velez A, Waasdorp Hurtado C. "Why Babies Spit Up." HealthyChildren.org. https://www.healthychildren.org/English/ages-stages/baby/feeding-nutrition/Pages/Why-Babies-Spit-Up.aspx
- Nationwide Children's Hospital. "Newborn Warning Signs." https://www.nationwidechildrens.org/conditions/health-library/newborn-warning-signs
- American Academy of Pediatrics and Bright Futures. "Recommendations for Preventive Pediatric Health Care" (Periodicity Schedule). 2025. https://downloads.aap.org/AAP/PDF/periodicity_schedule.pdf
- MedlinePlus. "Going home after a C-section." National Library of Medicine. https://medlineplus.gov/ency/patientinstructions/000624.htm
- Office on Women's Health. "Recovering from birth." U.S. Department of Health and Human Services. https://womenshealth.gov/pregnancy/childbirth-and-beyond/recovering-birth
- Centers for Disease Control and Prevention. "Urgent Maternal Warning Signs and Symptoms." HEAR HER campaign. https://www.cdc.gov/hearher/maternal-warning-signs/index.html
This guide is general education that summarizes published research and guidance from groups like the American Academy of Pediatrics, the CDC, and the WHO. It isn’t medical advice, and every child develops on their own timeline. Your pediatrician knows your child; if something feels wrong, call them. In an emergency, call 911.
Get each day’s note the morning it applies
Add your baby to a free Chorevia household with their date of birth, and every morning for 60 days the day’s note arrives in the app and by email: what’s developing, one thing to try, what to watch for, and a word for you.
Create your household