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Prenatal Development

Explore the miraculous journey of prenatal development, from fertilization to birth. Learn about the stages - zygote, blastocyst, embryo, and fetus - as the baby grows inside the womb until the joyful moment of birth.

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Prenatal Development

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  1. Prenatal Development Stages

  2. Fertilization • “Zygote”- sperm & ova unite in the fallopian tube • Moves into the uterus

  3. http://www.babycenter.com/2_inside-pregnancy-fertilization_10354435.bchttp://www.babycenter.com/2_inside-pregnancy-fertilization_10354435.bc

  4. Implantation • “Blastocyst” • Implants into the uterine wall for protection & nourishment

  5. http://www.babycenter.com/2_inside-pregnancy-weeks-1-to-9_10302602.bchttp://www.babycenter.com/2_inside-pregnancy-weeks-1-to-9_10302602.bc

  6. Embryonic Development • “Embryo” • Three layers of tissue= • Respiratory/digest sys • Muscle, bone, blood vessels, skin • CNS & sense organs

  7. Embryo • Amniotic sac- protection & insulation • Umbilical cord & placenta- nutrients, oxygen, & waste transported (don’t mix)

  8. Fetal Development • “Fetus”- end of 8 weeks

  9. http://www.babycenter.com/2_inside-pregnancy-weeks-15-to-20_10308111.bchttp://www.babycenter.com/2_inside-pregnancy-weeks-15-to-20_10308111.bc

  10. Birth • Three stages: • Dialation (cervix widens) • Passage through birth canal (uterus contracts) • Afterbirth (pass placenta)

  11. http://www.babycenter.com/2_inside-pregnancy-labor-and-birth_3658872.bchttp://www.babycenter.com/2_inside-pregnancy-labor-and-birth_3658872.bc

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