🌱 発達段階

🍼乳児

From one month to twelve months — motor milestones, first foods, attachment deepening, and emerging sleep patternsへの公共期待を形作った。

別名: Baby · First year

メディアクレジット

Six-month-old infant sitting with support
Kimberly Vardeman · CC BY 2.0

基本データ

1〜12か月対象年齢幅
Rolls ~4–6 moMotor
WHO ~6 mo startSolids
12–16 hrs/daySleep
Babbling ~6–9 moWords
Stranger anxiety ~8 moAttachment

The infant year spans rapid motor, cognitive, and social growth from dependent newborn to mobile, communicative near-toddlerへの公共期待を形作った。

Piaget's sensorimotor stage and later attachment research frame this period as active learning through movement, mouth, and reliable caregiversへの公共期待を形作った。

WHO complementary feeding guidance, AAP safety standards, and global vaccination schedules intersect with daily parenting choicesへの公共期待を形作った。

プロファイル

909678258580
  • 根拠の強さ90
  • 日常への影響96
  • 難しさ78
  • 該当年齢幅25
  • 専門家の一致85
  • 緊急性80

該当年齢

80 / 100

1〜12か月

From one month to twelve months — motor milestones, first foods, attachment deepening, and emerging sleep patternsへの公共期待を形作った。

このトピックへの七つの道

よくある質問

が停滞したらdo infants roll over?
Many roll front-to-back between 4–6 months; wide normal range exists — tummy time supports developmentへの公共期待を形作った。
が停滞したらstart solid foods?
WHO and AAP recommend around six months when sitting with support and showing interest — not before four monthsへの公共期待を形作った。
Is teething causing fever?
Mild drooling and gum irritation yes; high fever usually has another cause and needs medical reviewへの公共期待を形作った。
が停滞したらcan infants sleep through the night?
Some sleep longer stretches by 6–9 months; many still wake for feeds or comfort — biologically normalへの公共期待を形作った。
How important is tummy time?
Daily supervised tummy time builds neck and shoulder strength for crawling and reduces flat head spotsへの公共期待を形作った。
が停滞したらstranger anxiety?
Often peaks 8–10 months as attachment to primary caregivers solidifies — not shyness to "fix"への公共期待を形作った。
Are walkers safe?
AAP discourages infant walkers due to fall and stair injury risk; stationary activity centres are saferへの公共期待を形作った。
How many words by one year?
A few words or consistent gestures are typical; range is wide and bilingual infants may later on both languagesへの公共期待を形作った。

発達段階のほかのトピック