Pregnancy Understanding
Class Presentation
4-5pm
Human Development
Pregnancy Understanding
Stages of Development
Pre-Embryonic DevelopmentPre-Embryonic Development
FertilizationFertilization
CleavageCleavage
Embry...
Pregnancy Understanding
Pregnancy Understanding
Fertilization
Pregnancy Understanding
Ovum and Sperm
Pregnancy Understanding
sperm head
Pregnancy Understanding
Pregnancy Understanding
Pregnancy Understanding
Fertilization
metaphase of
second meiotic
division
first polar body
Pregnancy Understanding
polar bodies
sperm
pronucleus
oocyte
pronucleus
Fertilization
Pregnancy Understanding
Cleavage
Pregnancy Understanding
Cleavage
Pregnancy Understanding
Pregnancy Understanding
Pregnancy Understanding
Pregnancy Understanding
Pregnancy Understanding
Embryonic Development
Pregnancy Understanding
Embryonic Development
Fetal
Development
Pregnancy Understanding
Fetal
Development
Pregnancy Understanding
Development of
Reproductive
Organs
Pregnancy Understanding
The
Placenta
Pregnancy Understanding
The
Placenta
Pregnancy Understanding
Pregnancy Understanding
Pregnancy Understanding
6 months ultrasound
Pregnancy Understanding
Changes in Uterus
Pregnancy Understanding
Stages of Childbirth orStages of Childbirth or
LaborLabor
Dilation Stage
Expulsion Stage
Placental Stage
Dilation Stage
Pregnancy Understanding
Expulsion Stage
Pregnancy Understanding
Placental Stage
Pregnancy Understanding
Hormones Involved in LaborHormones Involved in Labor
EstrogenEstrogen
Fetal OxytocinFetal Oxytocin
Placental Prostaglandin...
Fig. 46-18
Estradiol Oxytocin
from
ovaries
Induces oxytocin
receptors on uterus
from fetus
and mother’s
posterior pituitar...
References
• Pregnancy Tips: Trying to Conceive or
Trying to get Pregnant
• Wikipedia
• Discussion with physician
• Pregna...
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Pregnancy Understanding

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Pregnancy Understanding

  1. 1. Pregnancy Understanding Class Presentation 4-5pm
  2. 2. Human Development Pregnancy Understanding
  3. 3. Stages of Development Pre-Embryonic DevelopmentPre-Embryonic Development FertilizationFertilization CleavageCleavage Embryonic DevelopmentEmbryonic Development GastrulationGastrulation OrganogenesisOrganogenesis Fetal DevelopmentFetal Development Pregnancy Understanding
  4. 4. Pregnancy Understanding
  5. 5. Pregnancy Understanding
  6. 6. Fertilization Pregnancy Understanding
  7. 7. Ovum and Sperm Pregnancy Understanding
  8. 8. sperm head Pregnancy Understanding
  9. 9. Pregnancy Understanding
  10. 10. Pregnancy Understanding
  11. 11. Fertilization metaphase of second meiotic division first polar body Pregnancy Understanding
  12. 12. polar bodies sperm pronucleus oocyte pronucleus Fertilization Pregnancy Understanding
  13. 13. Cleavage Pregnancy Understanding
  14. 14. Cleavage Pregnancy Understanding
  15. 15. Pregnancy Understanding
  16. 16. Pregnancy Understanding
  17. 17. Pregnancy Understanding
  18. 18. Pregnancy Understanding
  19. 19. Embryonic Development Pregnancy Understanding
  20. 20. Embryonic Development
  21. 21. Fetal Development Pregnancy Understanding
  22. 22. Fetal Development Pregnancy Understanding
  23. 23. Development of Reproductive Organs Pregnancy Understanding
  24. 24. The Placenta Pregnancy Understanding
  25. 25. The Placenta Pregnancy Understanding
  26. 26. Pregnancy Understanding
  27. 27. Pregnancy Understanding
  28. 28. 6 months ultrasound Pregnancy Understanding
  29. 29. Changes in Uterus Pregnancy Understanding
  30. 30. Stages of Childbirth orStages of Childbirth or LaborLabor Dilation Stage Expulsion Stage Placental Stage
  31. 31. Dilation Stage Pregnancy Understanding
  32. 32. Expulsion Stage Pregnancy Understanding
  33. 33. Placental Stage Pregnancy Understanding
  34. 34. Hormones Involved in LaborHormones Involved in Labor EstrogenEstrogen Fetal OxytocinFetal Oxytocin Placental ProstaglandinsPlacental Prostaglandins Maternal OxytocinMaternal Oxytocin RelaxinRelaxin Pregnancy Understanding
  35. 35. Fig. 46-18 Estradiol Oxytocin from ovaries Induces oxytocin receptors on uterus from fetus and mother’s posterior pituitary Stimulates uterus to contract Stimulates placenta to make Prostaglandins Stimulate more contractions of uterus Positivefeedback + + Pregnancy Understanding
  36. 36. References • Pregnancy Tips: Trying to Conceive or Trying to get Pregnant • Wikipedia • Discussion with physician • Pregnancy Miracle

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