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A newborn is, in colloquial use, a baby who is only hours, days, or weeks old; while in medical contexts, a newborn or neonate (from Latin, neonatus, newborn) is an infant in the first 28 days after birth [2] (the term applies to premature, full term, and postmature infants).
Small breast buds are present in both sexes. Head hair becomes coarse and thicker. Birth is imminent and occurs around the 38th week after fertilization. The fetus is considered full-term between weeks 37 and 40 when it is sufficiently developed for life outside the uterus. [14] [15] It may be 48 to 53 cm (19 to 21 in) in length when born.
The term Advanced maternal age is used to describe women who are over 35 during pregnancy. [ 29 ] [ 30 ] Women who give birth over the age of 35 are more likely to experience complications ranging from preterm birth [ 30 ] [ 29 ] [ 31 ] and delivery by Caesarean section , [ 30 ] [ 31 ] to an increased risk of giving birth to a child with ...
The fetus is considered full-term at the end of the 39th week of gestational age. It may be 48 to 53 cm (19 to 21 in) in length. The lanugo is gone except on the upper arms and shoulders. Fingernails extend beyond fingertips. Small breast buds are present on both sexes. Head hair is now coarse and thickest.
The zygote contains a full complement of genetic material with all the biological characteristics of a single human being, and develops into the embryo. Embryonic development has four stages: the morula stage, the blastula stage, the gastrula stage, and the neurula stage.
As maturation progresses, the foetus gradually assumes increasing passive flexor tone at rest that precedes in a centripetal direction with lower extremities slightly ahead of upper extremities. Term newborn (flexed posture) and preterm newborn (extended posture). Square window, assessing the flexibility of the wrist. Wrist flexibility and ...
By 2nd and 3rdmonth of their life, babies develop early consonant sounds like /k/ and /g/. The second half of the first year is the babbling phase where babies begin with repeated sounds like "babababa" or "mamamama". Infants vocalising more tend to develop stronger communication skills. [23] Early communication skills vary from child to child.
A pregnancy is considered term at 37 weeks of gestation. It is preterm if less than 37 weeks and post-term at or beyond 42 weeks of gestation. The American College of Obstetricians and Gynecologists have recommended further division with early term 37 weeks up to 39 weeks, full term 39 weeks up to 41 weeks, and late term 41 weeks up to 42 weeks ...