Prenatal Development - Early Childhood Education //...
Transcript of Prenatal Development - Early Childhood Education //...
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Prenatal DevelopmentLife in the Womb
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+Trimesters
A trimester is a period of three months
during pregnancy; there are three
trimesters in a regular pregnancy
First Trimester = months 1-3
Second trimester = months 4-6
Third trimester = months 7-9
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+Terms
Vernix – slimy substances covering the baby at birth
Lanugo – fine, soft hair that covers the baby in the womb
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+Month 1
Size: At two weeks, the
size of a pin head
Egg attaches to lining
of uterus
Critical stage for brain
and spinal cord
development
Internal organs and
circulatory system
begin to form
The heart begins to
beat
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+Month 1 for MOM
Missed menstrual period
Other signs of pregnancy may not yet to be
noticeable
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+Month 2
SIZE: ¼ in, Size of a
grain of rice!!
Face, eyes, ears,
and limbs take
shape
Bones begin to
grow
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+Month 2 for MOM
Breasts begin to swell
Pressure on bladder from enlarging
uterus results in need to urinate more
frequently
“morning sickness”
Fatigue
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+Month 3Fetus is about 1in.
long
Nostrils, mouth,
lips, teeth buds,
and eyelids form
Fingers and toes
are almost
complete
All organs are
present, although
immature
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+Month 3 for MOM
Breasts become firmer and fuller, may
ache
Nausea, fatigue, and frequent
urination may continue
Abdomen becomes slightly larger.
The uterus is about the size of an
orange
Weight gain may total 2-4 lbs
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+Month 4
Fetus is about 3in
long
Can suck its thumb,
swallow, hiccup,
and move around
Facial features
become more clear
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+Month 4 for MOM
Abdomen continues to grow slowly
Most discomforts of early pregnancy,
such as morning sickness, usually
gone
Appetite increases
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+Month 5
The fetus is about 6
½ - 7in long
Hair, eyelashes and
eyebrows appear
Teeth continue to
develop
Organs are
maturing
The fetus becomes
more active
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+Month 5 for MOM
Enlarged abdomen becomes
apparent
Slight fetal movements felt
Increased size may begin to affect
posture
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+Month 6
The fetus is now
about 8-10 in long
Fat is being
deposited under
the skin, the fetus
still appears
wrinkled
Breathing
movements begin
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+Month 6 for MOM
Fetal movements sensed as strong
kicks, thumps, and bumps. Some may
be visible.
Weight gain by the beginning of this
month may total 10-12 lbs
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+Month 7
Fetus is about 10-
12in long
Periods of fetal
activity are
followed by
periods of rest and
quiet
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+Month 7 for MOM
Increased size may effect posture
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+Month 8
The fetus is about 14-
16 in long
Weight gain continues
rapidly.
Fetus may react to loud
noises with a reflex
jerking action
Usually has moved into
head down position
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+Month 8 for MOM
Discomfort may result from increased
size. Backache, leg cramps, shortness
of breath, and fatigue are common.
Fetal kicks may disturb the mother’s
rest
At the beginning of this month, weight
gain totals about 18-20 lbs
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+Month 9 Fetus is about 17-18 in long
Skin becomes smooth as fat
deposits continue.
Fetal movements decrease
as the baby has less room
to move around
Disease-fighting antibodies
are acquired by the fetus
from the mother’s blood
The fetus descends into the
pelvis, ready for birth
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+Month 9 for MOM
“Lightening” felt as the fetus drops
into pelvis. Breathing becomes easier
Other discomforts may continue
A total weight gain of 25-35 lbs is
typical
False labor pains may be
experienced