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Yes, a newborn can fly domestically without a birth certificate, but airlines may ask for age proof and passports for international flights.

No, a newborn usually needs their own passport for international flights, with only narrow domestic exceptions.

Yes, a newborn can gain a pound in a week, but bursts like that are rare and steady smaller weekly gains are far more typical.

Yes, a newborn can gain too much weight when growth is far above charts or rises fast, so steady tracking with your baby’s doctor matters.

Yes, a newborn can gain weight too fast when growth jumps far above expected percentiles or is tied to feeding or medical issues.

Yes, a newborn can get a COVID test when a doctor advises it, and the exact test depends on age, symptoms, and exposure.

No, newborns can’t get a flu shot; flu vaccines start at 6 months, so newborn protection relies on vaccinated adults and careful hygiene.

Yes, a newborn can get a sore throat, and any feeding trouble, noisy breathing, or high fever with throat pain needs same-day medical attention.

Yes, a newborn can get a US passport when a parent applies in person with proof of birth, citizenship, identity, photos, and consent.

Yes, a newborn can get a UTI, and early signs like fever, poor feeding, or fussiness should prompt a same-day call to a pediatric doctor.