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Paediatric Neurology - Foetal development

ness37's version from 2018-05-03 16:52


Question Answer
PrematureBirth before 37 weeks (typical delivery is between 38-42 weeks)
Trimesters of pregnancy1st - 0-13 weeks, 2nd- 14-27 weeks, 3rd - 28-40 weeks
First trimesterEyes and ears are developing, heart is beating, lungs are forming, foetus weighs one ounce and is 4 inches long
Second trimesterCan hear mother's voice and heart beat, mother can feel foetus move, can suck thumb, foetus weighs 1 1/2 pounds and is 4 inches long
Third trimesterAll senses are active, rapid growth occurs (significant brain growth), heart is pumping 250 gallons of blood a day, foetus is 19-21 inches long and nearing birth weight
At birthBaby is able to show reflex behaviours, APGAR score is determined
APGAR scoreChecks: heart rate, respiration, colour, muscle tone and reflexes) given at 1 minute, 5 minutes and if required, 10 minutes after birth (7-10 is normal, 4-6 might require resuscitative measures, 0-3 needs immediate resuscitation)
Reflex behavioursInvoluntary movements or actions which help identify normal brain and nerve activity (indicate nervous system had developed). Expected to disappear between 6 months and 1 year otherwise they will interfere with development
Moro reflexResponse to loud sound
Gripping reflexClosing response by fingers and toes
Sucking reflexSucking response to something touching their hard palate
Rooting reflex Head turning response in order to find food (nipple/bottle)
Paediatric assessmentDone by paediatrician/neurologist during 1st 6 months of life and includes reflex behaviours. Health Visitors provide developmental surveillance for young children by undertaking developmental profiles e.g. Schedule of Growing Skills (SOGS) which examines 9 key developmental areas. Psychologists and paediatricians may use the Ruth Griffiths to identify if the child is developing appropriately or not (e.g. speech and communication, hand to eye coordination, gross motor, foundations of learning, personal-social-emotional).
Cranial nervesDevelopment of them is important in considering the development of feeding skills: V - Trigeminal, VII - Facial, IX - Glossopharyngeal, X - Vagus, XI - Spinal accessory and XII - Hypoglossal
XISpinal accessory

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