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ITP - lesson 2
Human Development
Prenatal Period/Stage
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Prenatal
Period
/
Stage
- period of
gestation
/
pregnancy
- from
conception
to
birth
, approximately
9
months long
- divided into
three
periods
period of
ovum
/
germinal
stage
- starts from fertilization to two weeks
period of embryo
- from the
second
week to
eight
weeks or
two
months
- all the important
structures
and
features
start to
develop
and to
function
period
of the
fetus
- covers the
eight
weeks to
birth
and the
structures
that were formed during the
period
of the embryo continue to
grow
and
develop
-
increased
fetal activity is observed like
kicking
and
squirming
Causes of Miscarriage
-
malnutrition
-
emotional stress
-
emotional shock
-
accidents
-
drugs
-
alcohol