Development of the Embryo and Fetus

1. Development of the Embryo and Fetus Child Development Unit Life Skills

2. 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.

3. 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.

4. 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.

5. 6 weeks • Fingers and toes begin to develop • Ears start forming • Skin forming

6. 8 weeks • The time of the 1st doctor visit. • 1 ½ inches long • 1/30 of an ounce • All organs have begun to develop

7. 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

8. 13 weeks-40 weeks • Every part of the baby has formed. • Baby becomes larger, organs work better.

9. 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.

10. Weight

11. 40 weeks • Full term pregnancy • 19-21 inches long • 6-9 pounds • Organs can function on their own now • Begin birthing process

12. 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

13. C-Section Birth • Make an incision across abdomen. • Baby is pulled through incision along with placenta. • 8 week recovery time.