1. Signs of Pregnancy and Fetal Development

2. Signs of Pregnancy *Missed menstrual period
*Breasts become fuller and more tender
*Nausea or morning sickness
*Fatigue
*Sensitivity to particular foods or odors
*Positive pregnancy test-at home or at the doctor’s office

3. Responsibilities of the Mother
*Staying in good health is most important
*Visit a physician and begin receiving care
*Get plenty of rest
*Eat nutritious foods
*Avoid drugs, alcohol and tobacco
*Health of the mother 2-3 years prior to pregnancy will greatly affect the health of the baby

4. 1 Month Fetal Development Effects on Mother
*Cell multiplication begins
*Missed menstrual period
*Egg attaches to the uterus lining
*Fetal internal organs and circulatory system begins to form
Weeks 1-4
Gestational age: 3-7
*Heart begins to beat
*Small bumps show the beginnings of arms and legs

5. 1 Month

6. 2 Months Fetal Development Effects on Mother *Embryo is 1/4 inch long
*Breasts begin to swell
*Enlarging uterus places pressure on the bladder-more frequent urination
*Face, eyes, ears, and limbs take shape
Weeks 5-8
Gestational Age: 7-10
*Bones begin to form
*Possible “morning sickness”
*Development of internal organs
*Fatigue

7. 2 Months

9. 3 Months Fetal Development Effects on Mother
*Fetus is about 1 inch long
*Breasts are firmer, fuller and ache
*Nostrils, mouth, lips, teeth buds, and eyelids form
*Nausea, fatigue, frequent urination
Weeks 9-12
Gestational Age: 11-14
*Abdomen becomes larger
*Fingers and toes are almost complete
*Uterus is about the size of an orange
*All organs are present, but immature
*2-4 pound weight gain
*Eyelids are fused

10. 3 Months

12. 4 Months Fetal Development Effects on Mother *Fetus is 3 inches long
*Continued size change
*Fetus weighs about 1 ounce
*Discomforts of early pregnancy are gone
*Can suck thumb, swallow, hiccup and move
Weeks 13-16
Gestational Age: 15-18
*Increased appetite
*Facial features are clearer

13. 4 Months

15. 5 Months Fetal Development Effects on Mother
*Fetus is about 6-7 inches long
*Enlarged abdomen is obvious
*Fetus weighs 4-5 ounces
*Fetal heartbeat is heard through stethoscope
*Hair, eyelashes and eyebrows appear
Weeks 17-20
Gestational Age: 19-22
*Teeth continue to develop
*Organs keep maturing
*Fetus is more active
*Lanugo develops

16. 5 Months

17. 6 Months Fetal Development Effects on Mother
*Fetus is 8-10 inches long
*Fetal movement is strong
*Fetus weighs 8-12 ounces
*Fetus kicks and thumps are felt
*Fat is depositing under the skin
Weeks 21-24
Gestational Age: 23-26
*10-12 pound weight gain
*Fetus looks wrinkled
*Breathing begins

18. 6 Months

19. Surgery on “Baby Samuel” at Week 21

20. 7 Months Fetal Development Effects on Mother
*Fetus is inches long
*Posture is affected by increased weight and size
*Fetus weighs about 1½ to 2 pounds
*Fetus is active, then rests
Weeks 25-28
Gestational Age: 27-30
*Eyelids separate
*Vernix develops

21. 7 Months

22. 8 Months Fetal Development Effects on Mother
*Fetus is inches long
*Backaches, leg cramps, shortness of breath, fatigue
*Fetus weighs 2 ½ to 3 pounds
*Fetal kicks are felt
*Fetus may react to noises with a jerking action
Weeks 29-32
Gestational Age: 31-34
*Weight gain of pounds
*Fetus has moved to head-down position

23. 8 Months

24. 9 Months Fetal Development Effects on Mother Weeks 33-36
*Fetus is about inches long
*”Lightening”-the fetus drops into the pelvis
*Fetus weighs 5-6 pounds, but weight gain continues
*Easier to breathe
*Skin is smooth because fat deposits continue
*Usual discomforts of late pregnancy
Weeks 33-36
Gestational Age: 35-38
*Fetal movements are slowed due to lack of room
*Weight gain of pounds
*Disease-fighting antibodies are taken from the mother’s blood
*Uterus is the size of a small watermelon
*Fetus descends into pelvis and is ready for birth
*May have false labor pains (Braxton-Hicks Pains)

25. 9 Months