Yes, newborns know their mother through scent, voice, and early visual cues within hours of birth—and that recognition strengthens with caregiving.

Yes. Newborn screening checks for cystic fibrosis with an IRT blood spot and, in many states, a CFTR DNA panel; positive screens need a sweat test.

Yes, newborn weight fluctuates in the early days and weeks due to fluid shifts, feeding patterns, and typical growth rhythms.

Yes—newborn skin color shifts in the first weeks as circulation and bilirubin mature; many patterns are temporary.

Yes—swaddling can lengthen newborn sleep and reduce startles when used correctly and stopped at rollover signs, following safe-sleep rules.

Yes, many newborn rashes can come and go for days or weeks, especially harmless ones like erythema toxicum neonatorum.

Yes, a newborn recognizes mom from birth by scent and voice, with vision joining in over the first weeks.

Yes—newborns learn to recognize their father by voice, touch, and scent over days to weeks, not instantly at birth.

Yes, newborn reflux usually fades as the gut matures, peaking at 4–5 months and easing by 9–12 months for most healthy babies.

No, newborn rooting doesn’t always mean hunger; this reflex can also show comfort seeking, light sleep arousal, or a need to latch and settle.