development of the embryo and fetus child development unit life skills
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Development of the Embryo and Fetus
Child Development UnitLife Skills
Fertilization
• The sperm cell fertilizes the egg cell in the fallopian tube.
• The fertilized egg cell will implant in the uterus, and begin to grow.
• At this point, known as a zygote.
Fertilization (cont.)
• The father gives 23 chromosomes. The 23rd will be an x or y.
• The mother gives 23 chromosomes. The 23rd will be an x.
3-4 weeks
• Called an embryo• Heartbeat• Brain forming• ¼ inch long• Lungs forming
• Most women don’t realize that they are pregnant at this point.
• Prenatal health is of upmost importance at this point.
6 weeks
• Fingers and toes begin to develop• Ears start forming• Skin forming
8 weeks
• The time of the 1st doctor visit.
• 1 ½ inches long• 1/30 of an ounce• All organs have begun
to develop
12 weeks
• This picture is a mold of what a baby would look like, not an actual baby.
• Now called a fetus• Movement
felt• 3 inches long• Can swallow
13 weeks-40 weeks
• Every part of the baby has formed. • Baby becomes larger, organs work better.
Pregnancy Body
• Being Pregnant brings many changes:– Breast increase in size. – Spine bends in – Baby sits on bladder, causing frequent urination– Increased weight– Can have swelling of limbs– Pregnant women tend to be very forgetful.
Weight
40 weeks
• Full term pregnancy• 19-21 inches long• 6-9 pounds• Organs can function on their own now• Begin birthing process
Vaginal Birth
• Cervix must completely thin out and dilate to 10 cm
• Baby comes facing downward, head first.
• After baby is born, umbilical cord is cut, then mom must push out placenta.
• 6 week recovery time
C-Section Birth
• Make an incision across abdomen.
• Baby is pulled through incision along with placenta.
• 8 week recovery time.
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