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While every baby develops at their own pace, experts use certain milestones as a guide. Use this list of developmental milestones to learn what to expect during your baby's first year.
Gestational age: 5 weeks and 0 days until 5 weeks and 6 days old. 36–42 days from last menstruation. Embryonic age: Week nr 4. 3 weeks old. 22–28 days from fertilization. The embryo measures 4 mm (1 ⁄ 8 in) in length and begins to curve into a C shape. The heart bulges, further develops, and begins to beat in a regular rhythm.
Newborns typically lose 7–10% of their birth weight in the first few days, but they usually regain it within two weeks. [ 17 ] During the first month, infants grow about 1 to 1.5 inches (2.5 to 3.8 cm) and gain weight at a rate of about 1 ounce (28 g) per day.
The Bayley Scales of Infant and Toddler Development (version 4 was released September 2019) is a standard series of measurements originally developed by psychologist Nancy Bayley used primarily to assess the development of infants and toddlers, ages 1–42 months. [1]
The CDC divides these milestones into several categories for each age, including social and emotional behaviors, language and communication skills, cognitive abilities and physical development and ...
Early childhood development is the period of rapid physical, psychological and social growth and change that begins before birth and extends into early childhood. [1] While early childhood is not well defined, one source asserts that the early years begin in utero and last until 3 years of age.
In human pregnancy, prenatal development is also called antenatal development. The development of the human embryo follows fertilization, and continues as fetal development. By the end of the tenth week of gestational age, the embryo has acquired its basic form and is referred to as a fetus. The next period is that of fetal development where ...
“Developmental milestones are important to parents because they are a baby or child’s 'first time' doing something and an indicator that one’s child is developing normally,” says Dr ...
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3579 S High St, Columbus, OH · Directions · (614) 409-0683