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At 4 weeks, most babies take 2–4 oz per feed every 2–4 hours; breast milk averages about 25 oz/day and formula often lands near 24–32 oz/day.

At 8 weeks, most babies take 24–32 oz of milk per day; breastfed infants feed 7–9 times, while formula babies take 4–5 oz every 3–4 hours.

Weekly pregnancy weight gain depends on pre-pregnancy BMI: about 0.5–1 lb/week for normal BMI; less if overweight, more if underweight.

Baby feeding by age: newborns 8–12 feeds daily; around 6 months 24–32 oz milk plus starter solids; by 12 months 3 meals and 2–3 snacks.

At 1 week, babies usually feed 8–12 times a day and take about 1–2 ounces (30–60 ml) per feed, guided by hunger cues and steady diaper output.

At 2 weeks, most babies feed every 2–3 hours; breastfed babies nurse on demand, while bottle feeds average 1.5–3 ounces per session.

For conception, many clinicians target TSH around 1.0–2.5 mIU/L with normal free T4, while treating overt disease and planning early checks after a positive

Newborn intake builds fast: expect 16–24 oz per day in week one, then ~20–30 oz by 2–4 weeks, paced by hunger cues and diaper output.