1. Fetal Development
Jim Video CLICK HERE!!

2. Vocab Review
Neonate
Zygote
Embryo
Fetus

3. First Trimester Facts Ovum is about the size of a pencil dot on paper
Conception occurs when sperm penetrates the ovum in the fallopian tube
Zygote travels through fallopian tube toward the uterus, takes about 3 – 5 days.

4. First Trimester Growth fourth week heart video
Fourth Week Video
4 weeks:
Embryo is ¼ inch long
Has a head, body and tail
Eyes and ears can be discerned
Heart pumps blood to body
5 weeks:
- Nose can be seen
5 week unborn embryo

5. First Trimester Growth
6 weeks:
Embryo is ½ inch in length
Leg buds are present
Increase brain development
Gonads start to produce hormones

6. First Trimester Growth
7th Week:
Embryo is about ¾ inches in length
Can move it hands
Fingers are defined
Internal organs are visible
Skull bones are growing at the crown

7. First Trimester Growth
8th Week:
Almost 1 inch long
Liver is very large
Bones begin to form
Testes and ovaries are distinguishable
Now called a fetus

8. First Trimester Growth Tenth Week Video
1 ½ - 2 inches long
Kidneys make urine
Lower trunk muscle are developing

9. Second Trimester 12th Week:
Head of fetus is about one third the size of length
Ribs can be seen
Soft hair begins to appear

10. Second Trimester 16th week: (4 months)
4 ½ inches long weights about 3 -4 ounces
Face looks human
Cerebrum lies over other brain parts
Testicles of males are in position for descent
Mother can feel movement
Heart can be heard with instruments

11. Second Trimester 20 – 24 weeks (5-6 months) Fetus about 12 inches long
Major systems develop
Bones continue to form
Fetus may move its thumb into mouth
Eyes are still closed

12. Third Trimester brain growth video
28th week: (7 months)
Fetus is about 14 inches long weights about 2.5 pounds
Weight gain, increased length, maturation of organs
38 – 40 weeks: (8-9 months)
- Full term

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14. 3 Stages of Labor Stage 1: Dilation Cervix dilates to 10cm
Contractions are regular
Amniotic sac ruptures dilation generally lasts hours

15. 3 Stages of Labor Stage 2: expulsion Actual childbirth (parturition)
Forceful uterine contractions and compression
Fetus is expelled throughout the vagina

16. 3 Stages of Labor Placental
Within min placenta separates from uterine wall (called afterbirth)
Contractions
Blood vessels constrict to prevent hemorrhage
Normal blood loss 350 ml