131 D4 Fetal ENG - Cabrillo Collegeogarcia/131 D4_Fetal ENG.pdfDay 4 Prenatal Development, part 2 of...
Transcript of 131 D4 Fetal ENG - Cabrillo Collegeogarcia/131 D4_Fetal ENG.pdfDay 4 Prenatal Development, part 2 of...
Day 4 Prenatal Development, part 2 of 3 2/20/19
García - ECE 31 & ECE 131 - Spring 2019 1
What do you already know about fetal development?
Fetal period9th week through birth
Work in pairs. Discover key events of:
• The third month
• The middle three months
• The last three months
National Geographic 4/11 - En el vientre materno 6:20 mins - http://www.youtube.com/watch?v=9uIcthFsLQA&feature=related
Fetal period9th week through birth
9th to 13th weeks (within the first trimester)
•Growth and development of basic structures (heart, lungs, liver, vertebrae, sexual organs)
•Organization and connections between nervous system, muscles and circulatory system.
•New behavioral capabilities (kicking, sucking)
•At thirteen weeks measures 3 inches and weighs 3 ounces. (7.5 cm; 87grams)
At 10 weeks… about one inch longLiver functions begin around 11 weeks
Brain develops all its neurons§ Brain activity§ Eyes sensitive to light§ Ears sensitive to sound§ Maturation and
functioning of organs and various systems.
§ Age of viability:around 22 to 25 weeks
What is the meaning of “viability”?
Even at 26 weeks a pre-term infant requires intensive care and may or may not survive
without major neurological impairments.
13th to 25th weeks(second trimester)
4 and a half months…
Day 4 Prenatal Development, part 2 of 3 2/20/19
García - ECE 31 & ECE 131 - Spring 2019 2
• From viability to full term• Increase in size• Increased sensory activity• Maturation of respiratory, cardiovascular and neurological systems
• Cycles of activity, rest, sleep
• Turns and prepares for birth
• At birth, full term infant weighs approx. 7.5 lbs.
25th to 38th weeks(third trimester)
8 monthsTuned in to sensations from the outside world since 6 months gestational age
The fetus tunes in to the mother’s voice, the taste of her foods, her behavior patterns and her levels of calm or stress.
12 semanas - segundo trimestre - en el vientre materno 6/11 - show 9 minuteshttp://www.youtube.com/watch?v=1eZDO1GLPuk&feature=related
Video – “The miracle of life”
38 semanas En el vientre materno - final - 10 mins - http://www.youtube.com/watch?v=T20wHnx5Muk
Pairs - Share • Three new things
you’ve learned.• Something you
already knew but now understand better.
Review, recall, share