PRENATAL DEVEL

Question 1

Germinal

Answer 1

1-2 week, characterised by rapid cell division

Question 2

embryonic

Answer 2

3-8 weeks,
mass of cells known as embryo
head-to-tail postion
vital organs develop + head/blood vessels and heart

Placenta; forms on area of uterus wall - O2 + nutrients reach foetus
Umbilical chord; connects embryo to placenta - perp nutrients and carry away waste
Amniotic sac; surrounds embryo and protects it

Question 3

Foetal 9-40 weeks/birth

Answer 3

first bones = devel
now called foetus

Question 4

avoid while pregnant

Answer 4

❌ALCHOL☞ prem birth/ low birth weight (foetal alcohol syndrome FAS)

❌SMOKING ☞ prem birth/miscarriage

❌FOODS ☞ soft unpasteurised cheese (eg. feta)
☞meats which could contain listeria (hot dogs/deli meat)

Question 5

Listeria

Answer 5

bacteria causing flu-like symptoms = v dangerous in unborn babies due to weekend immune system
(miscarriage, prem birth, death of new born)

Question 6

SIDs- sudden infant death syndrome

Answer 6

unexplained death, usually during sleep, of baby less than 1y/o

risk factors=
- younger then 20
- smoking/drugs/alcohol
- inadequate prenantal care