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Almost all infants with ROP have a gestational age of 31 weeks or less (regardless of birth weight) or a birth weight of 1250 g (2.76 lbs) or less; these indications are generally used to decide whether a baby should be screened for ROP, but some centres, especially in developing countries, extend birth weight screening criteria to 1500 g (3.3 ...
Congenital blindness is a hereditary disease and can be treated by gene therapy. Visual loss in children or infants can occur either at the prenatal stage (during the time of conception or intrauterine period) or postnatal stage (immediately after birth). [3] There are multiple possible causes of congenital blindness.
Congenital rubella syndrome. Congenital rubella syndrome (CRS) occurs when a human fetus is infected with the rubella virus (German measles) via maternal-fetal transmission and develops birth defects. [ 1] The most common congenital defects affect the ophthalmologic, cardiac, auditory, and neurologic systems. [ 2]
From birth, the pupils of an infant remain constricted to limit the amount of entering light. In regards to pupil dimensions, newborns' pupils grow from approximately 2.2 mm to an adult length of 3.3 mm. [2] A one-month-old infant can detect a light threshold only when it is approximately 50 times greater than that of an adult. By two months ...
Neonatal conjunctivitis is a form of conjunctivitis (inflammation of the outer eye) which affects newborn babies following birth. It is typically due to neonatal bacterial infection, although it can also be non-infectious (e.g. chemical exposure). [1] Infectious neonatal conjunctivitis is typically contracted during vaginal delivery from ...
Baby weighed as appropriate for gestational age. Birth weight is the body weight of a baby at their birth. [ 1] The average birth weight in babies of European and African descent is 3.5 kilograms (7.7 lb), with the normative range between 2.5 and 4.0 kilograms (5.5 and 8.8 lb). [ 2]
The Suleman octuplets are six male and two female children conceived via in vitro fertilization (IVF) and subsequently born to Nadya Suleman on January 26, 2009, in Bellflower, California. Residing in Lancaster, California, they are the first known octuplets to survive their infancy. The extremely controversial circumstances of their high-order ...
The speed of physical growth is rapid in the months after birth, then slows, so birth weight is doubled in the first four months, tripled by 1 year, but not quadrupled until 2 years. [85] Growth then proceeds at a slow rate until a period of rapid growth occurs shortly before puberty (between about 9 and 15 years of age). [ 86 ]
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