1. PREGNANCY AND HUMAN DEVELOPMENT
Chapter 28

2. Stages of Development

3. Accomplishing Fertilization
Fertilization=fusion of sperm and egg to produce a zygote
Most sperm never make it to the egg!
Fertilization requires capacitation

4. Completion of Meiosis II

5. Completion of Meiosis II

6. Zygote

7. Cleavage

8. Cleavage

9. Morula

10. Blastocyst

11. Blastocyst

12. Implantation of the Blastocyst

13. Placenta Formation and Embryonic Development

14. Embryonic Membranes
Amnion
Chorion
Allantois
Yolk sac

15. Embryonic Development

16. Placental Formation

17. Hormonal Changes

18. Embryonic Development

19. Embryonic Development

20. Fetal Development

21. Development of Fetal Circulation

22. Fetal Development

23. Fetal Development

24. Fetal Development

25. Fetal Development

26. Effects of Pregnancy Anatomical Changes

27. Effects of Pregnancy Hormonal Changes
Human Placental Lactogen (hPL)
Human Chorionic Thyrotropin (hCT)

28. Effects of Pregnancy Physiological Changes
Morning sickness
Heartburn
Constipation
Increased urine output
Frequency
Urgency
Stress incontinence
Increased respiratory rate
Increased vital capacity
Dyspnea
Decreased residual volume
Increased blood volume
Edema
Hypertension
Increased cardiac output

29. Parturition: Initiation of Labor

30. Parturition: Stages of Labor

31. Parturition: Stages of Labor

32. Parturition: Stages of Labor

33. Parturition: Stages of Labor

34. Parturition: Lactation

35. Homeostatic Imbalance
Fetal Alcohol Syndrome
Dystocia
Spontaneous abortion
Induced abortion
Eclampsia
Ectopic pregnancy
Placenta abruption
Placenta previa