Development of an Unborn Baby

1
Development of an Unborn Baby

• Immanuel Lutheran 5th 6th Grades
• April-May 2007

2
Days 1-9

• Sperm joins with the ovum (egg) . Forming one
  cell smaller than a grain of salt.
• The new life has inherited 23 chromosomes from
  each parent equal to 46 chromosomes.
• The fertilized egg travels down the fallopian
  tube into the uterus. There the lining has been
  prepared for implantation.

3
Days5-9

• During this time the fertilized egg implants
  itself in the uterus.
• Then begins to draw nourishment.

4
Week Two
(http//www.deathroe.com/Baby5FDevelopment/)

• The fertilized egg travels to the womb.
• If the fertilized egg gets stuck on the way to
  the womb the baby will have to be aborted
• otherwise the mom and the baby will die.
• The backbone and muscles start to form

5
Week 4

• When a embryo is developing at week four the
  heart begins to beat and the backbone and muscles
  are forming.
• The babies arms, legs, eyes, and ears begin to
  appear.

6
WEEKS 5-6

• Five fingers can be seen on the hand
• Has darkened pigments for eyes
• Brain waves can be detected
• Muscles and vital organs are formed

7
Week 7

• The embryo begins to move. The mouth starts to
  form. The embryo is about 7-9 mm long. The baby
  goes through three sets of kidneys.

8
Week 8

• The embryo is now called a fetus.
• Everything is present that will be found in a
  fully developed adult.
• It keeps growing and develops muscles.
• Its heart has been beating for more than a month.

9
Weeks 9-11

• Week 9- Fingerprints are already evident in the
  skin The Zygote will curve its fingers around An
  object placed in the palm of its hand.
• Week 10-The uterus has now doubled in size. The
  fetus can squint, swallow and wrinkle its
  forehead.
• Week 11-At this time, the fetus is about 2 in.
  long. The face has assumed a babys profile and
  movements are becoming more coordinated.

10
Weeks 12-13

• The fetus sleeps, awakens,and exercises its
  muscles energetically turning its head,opening
  and closing its mouth, and curling its toes.
• The palm, when is stroked, it will make a tight
  fist
• The fetus breathes amniotic fluid to help its
  respiratory system.
• You can tell if it is a boy or girl.

11
Month 4

• At the end of month 4 the fetus is 8-10 in. ,and
  weighs a half lb. or more.
• The umbilical cord transports 300 quarts of
  fluids per day and completes a round-trip of
  fluids every 30 seconds.

12
The 5th Month

• Organs mature
• Sleeps and is awake on a regular pattern
• Arm, legs, and mouth can be seen moving on
  ultrasounds
• 8-12 inches long, ½ to 1 pound in weight
• Can be able to tell if baby is boy or girl on
  ultrasound

13
The 6th Month

• The baby is over a foot long and weighs close to
  2 pounds.
• At this time the babys eyelids open and close.
• Baby moves and is more active
• Is able to suck thumbs

14
The Sixth Month

• The fetus in this stage is able to sweat and
  produce oils.
• The skin at this stage still has vulnerable skin
  ,but could still live if birthed.

15
Month 7

• The baby now uses four senses vision, hearing,
  taste and touch.
• He can recognize his mothers voice.

16
Month 8

• The skin begins to thicken, with a layer of fat
  stored underneath for insulation and nourishment.
• The baby absorbs a gallon of amniotic fluid per
  day. The fluid is completely replaced every three
  hours.

17
Month 9

• Toward the end of this month, the baby is ready
  for birth.
• Most babies are born between 266 and 294 days.
• The infant normally weighs 6 to 9 pounds.
• He is fully capable of life outside of the womb.