---
title: "Buppi Baby blog — evidence-based guides"
canonical: https://buppi.baby/en/blog/
last-updated: 2026-09-25
---

# Buppi Baby blog — evidence-based guides

> Canonical: https://buppi.baby/en/blog/

- [How Much Formula Does a 1-Month-Old Drink?](https://buppi.baby/en/blog/how-much-formula-1-month-old/) — A 1-month-old drinks 600–850 ml (20–28 oz) of formula a day, in 7–9 feeds of 60–120 ml depending on weight. Weight-based chart (the 150 ml/kg rule), the 3–6 week growth spurt, and the signs the amount is right.
- [How long should a baby sleep by age](https://buppi.baby/en/blog/how-long-should-baby-sleep-by-age/) — Recommended sleep hours from newborn to 2 years, based on the American Academy of Sleep Medicine, the National Sleep Foundation, and WHO.
- [3-month-old sleep: schedule and what to expect](https://buppi.baby/en/blog/baby-sleep-3-months/) — How much a 3-month-old sleeps, how many naps they take, the longer wake windows, why nights start to stretch, a flexible schedule, and a heads-up on the 4-month regression coming right up.
- [Baby sleep at 9 months: schedule and what to expect](https://buppi.baby/en/blog/baby-sleep-9-months/) — How much a 9-month-old sleeps, why it's still 2 naps (and how not to fall for the 'false transition'), wake windows, a flexible schedule, the rough 8–10 month patch, and safe sleep.
- [How to soothe a baby with colic: the complete evidence-based guide](https://buppi.baby/en/blog/how-to-soothe-baby-colic/) — Updated clinical definition (Rome IV), proven calming techniques, what science says about probiotics, common myths, and when to call the pediatrician. Complete guide for the first 4 months.
- [Baby fever: when to worry and when to call the pediatrician](https://buppi.baby/en/blog/baby-fever-when-to-worry/) — What counts as a fever, how to measure it right, the age rule (why under 3 months is an emergency), when to seek help, how to ease it safely at home, and the myths you can drop.
- [Tummy Time: Why It Matters, How to Do It, and for How Long](https://buppi.baby/en/blog/tummy-time-complete-guide/) — What tummy time is, what the science actually says about the benefits, when to start, how much per age, a step-by-step how-to — and what to do when your baby hates being on their belly.
- [How many ml of formula by age? Per-feed chart](https://buppi.baby/en/blog/how-much-formula-by-age/) — How many ml of formula a baby takes per feed and per day, from newborn to 12 months — a chart by age, weight-based amounts, and fullness cues.
- [Baby reflux: what's normal, how to manage it, and when it's a disease](https://buppi.baby/en/blog/baby-reflux-spit-up-when-its-gerd/) — The difference between normal reflux (spitting up) and reflux disease, why most babies spit up, what actually helps at home, why medication is rarely needed, and the warning signs that call for the pediatrician.
- [How Many Cans of Formula Does a Baby Go Through in a Month?](https://buppi.baby/en/blog/formula-cans-per-month/) — How many cans of formula (400 g or 800 g) a baby uses per month, by age: the yield math, a 0–12 month chart, a calculator, and what it means for the budget — without ever becoming a bottle target.
- [Breastfeeding in the first days: what to expect](https://buppi.baby/en/blog/breastfeeding-first-days/) — First-week breastfeeding guide: colostrum, milk coming in, latch, signs your baby is getting enough, and when to seek help.
- [How to know if your baby is getting enough milk](https://buppi.baby/en/blog/is-baby-getting-enough-milk/) — The objective signs your baby is feeding enough: diapers, weight, behavior and growth curve — and how to tell perceived low supply from real low supply.
- [Baby's first-year vaccine schedule (CDC + WHO overview)](https://buppi.baby/en/blog/baby-first-year-vaccines/) — Which vaccines your baby gets from birth to 12 months under the US CDC/ACIP schedule, what each one protects against, expected side effects, red flags, and what to do if you fall behind. Evidence-based guide for new parents.
- [Preparing for the baby's arrival: the complete checklist](https://buppi.baby/en/blog/preparing-for-baby-arrival/) — A practical checklist by category — nursery and gear, hospital bag, paperwork, car seat, and support network — separating what's essential from what can wait.
- [Starting solids at 6 months: BLW vs purées](https://buppi.baby/en/blog/blw-vs-purees-6-months/) — Practical comparison of BLW (baby-led weaning) and traditional spoon-fed purées at 6 months: what AAP, WHO and ESPGHAN recommend, signs of readiness, choking risk, allergens, and how to combine both.
- [Wake windows by age: the table from 0 to 24 months](https://buppi.baby/en/blog/wake-windows-by-age/) — How long a baby can comfortably stay awake between naps, from 0 to 24 months. Table by age, sleepy cues, and how wake windows differ from a clock-based routine.
- [Developmental milestones: what to expect month by month (0–12)](https://buppi.baby/en/blog/milestones-month-by-month-0-12/) — The updated CDC/AAP milestones (2022 revision) month by month, from 0 to 12 months. Motor, language, cognitive and social — with red flags and when to call the pediatrician.
- [The 4-month sleep regression: why it happens and how to get through it](https://buppi.baby/en/blog/4-month-sleep-regression/) — Why baby sleep seems to fall apart around 4 months, what's actually happening in the brain, how long it lasts, and what helps — no magic promises, grounded in research.
- [Cluster feeding: why your baby wants to nurse all the time](https://buppi.baby/en/blog/cluster-feeding-explained/) — What cluster feeding is, why babies chain short feeds back-to-back (especially in the evening), at what ages it happens, and how to ride it out — without weaning, without supplementing on reflex.
- [Developmental milestones at 6 months: what to expect](https://buppi.baby/en/blog/baby-milestones-6-months/) — What a 6-month-old typically does — sitting with support, rolling, babbling, grabbing objects — by developmental area, the signs of readiness for solids, how to encourage development, and when to talk to the pediatrician.
- [6-month-old sleep: schedule and what to expect](https://buppi.baby/en/blog/baby-sleep-6-months/) — How much a 6-month-old sleeps, how many naps they take, the longer wake windows, more consolidated night sleep, a flexible schedule, and this stage's decisions — night feeds, own room, and sleep training.
- [Baby naps by age: how many and how long (chart)](https://buppi.baby/en/blog/baby-naps-by-age/) — How many naps a baby takes by age and how long each one lasts — a chart from newborn to 5 years, best nap times, and when to drop a nap.
- [Baby sleep at 4 months: schedule and what to expect](https://buppi.baby/en/blog/baby-sleep-4-months/) — How much a 4-month-old sleeps, how many naps, wake windows, a flexible schedule, night sleep, and the safety warning about stopping the swaddle — and where the 4-month regression fits in.
- [Baby sleep at 5 months: schedule and what to expect](https://buppi.baby/en/blog/baby-sleep-5-months/) — How much a 5-month-old sleeps, how many naps, the longer wake windows, a flexible schedule, how nights look after the 4-month regression, and safe sleep now that your baby rolls.
- [Baby sleep at 7 months: schedule and what to expect](https://buppi.baby/en/blog/baby-sleep-7-months/) — How much a 7-month-old sleeps, the 3-to-2 nap transition, longer wake windows, a flexible schedule, the separation anxiety that disrupts nights, and safe sleep at this stage.
- [Baby sleep at 8 months: schedule and what to expect](https://buppi.baby/en/blog/baby-sleep-8-months/) — How much an 8-month-old sleeps, the 2 naps settling in, wake windows, a flexible schedule, the '8-month regression' (separation + motor leaps) and what to do when your baby stands up in the crib.
- [2-month-old sleep: schedule and what to expect](https://buppi.baby/en/blog/baby-sleep-2-months/) — How much a 2-month-old sleeps, how many naps they take, wake windows, why day and night start to sort themselves out, and a flexible schedule — with what's normal to expect (and what isn't).
- [How to choose your child's pediatrician: the practical guide](https://buppi.baby/en/blog/how-to-choose-a-pediatrician/) — When to start looking, where to find one, what to ask at the meet-and-greet, the criteria that actually matter, the red flags, and why switching pediatricians isn't a failure.
- [Bed-sharing with your baby: risks, guidelines, and how to reduce the danger](https://buppi.baby/en/blog/bed-sharing-with-baby-risks-guidelines/) — The difference between room-sharing and bed-sharing, what the guidelines say about SIDS, when never to bed-share, how to reduce the risk if you do, and the safest way to keep your baby close.
- [How Much Formula Does a 2-Month-Old Drink?](https://buppi.baby/en/blog/how-much-formula-2-month-old/) — A 2-month-old drinks 700–950 ml (24–32 oz) of formula a day, in 6–8 feeds of 90–150 ml depending on weight. Weight-based chart (the 150 ml/kg rule), the typical rhythm, the 2-month vaccines, and the signs the amount is right.
- [Prenatal care in Brazil: public system (SUS) vs. private care](https://buppi.baby/en/blog/prenatal-care-brazil-sus-vs-private/) — How prenatal care works in Brazil's public SUS and in the private system: when to start, how many visits, trimester-by-trimester tests, health-plan waiting periods, your legal rights, and how to combine both.
- [How to build a baby sleep routine that works](https://buppi.baby/en/blog/how-to-build-a-sleep-routine/) — A step-by-step guide to a baby sleep routine — when to start, what to include in the ritual, how to set up the environment, and why consistency matters more than the activities.
- [The first 30 days with a newborn: a survival guide](https://buppi.baby/en/blog/first-30-days-with-a-newborn/) — What to expect in your baby's first month: sleep, feeding, diapers, the umbilical cord, crying, and your own recovery. A practical, no-panic guide to the fourth trimester.
- [Developmental milestones at 12 months: what to expect](https://buppi.baby/en/blog/baby-milestones-12-months/) — What a 1-year-old typically does — pulling to stand, cruising, first words, gestures, the pincer grasp — by area, the feeding changes at 1 year, how to encourage development, and when to talk to the pediatrician.
- [Postpartum mental health: baby blues, depression, and when to ask for help](https://buppi.baby/en/blog/postpartum-mental-health-baby-blues-depression/) — The difference between baby blues and postpartum depression, the signs of anxiety and other conditions, why it isn't your fault, when to seek urgent help, and why treatment works. A warm, judgment-free guide.