Pregnancy and Childbirth

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Pregnancy and Childbirth

• Lesson 24

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• Conception / Fertilization union of an ovum and
  a sperm.
• Takes place in the upper 1/3 of the fallopian
  tube
• Heredity passing of characteristics from
  biological parents to their children.
• Chromosome carries genes.

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• Gene unit of hereditary material
• 46 Chromosomes (23 from father, 23 from the
  mother)
• Female X chromosome
• Male X or Y chromosome
• XX female
• XY male

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XX or XY

• Female Male

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• Sex-linked characteristics hereditary
  characteristics transmitted on the sex
  chromosomes.
• Amniotic Sac pouch of fluid that surrounds a
  fetus.
• Endometrium Inner lining of the uterus.

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• Embryo Conception to 2nd month of growth.
• Fetus 9th week to birth
• Placenta Anchors the embryo to the uterus.
• Umbilical Cord Ropelike structure that connects
  the embryo to the placenta.

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Tools to determine if the baby is developing
correctly

• Ultrasound provide an image of the developing
  baby
• Amniocentesis the use of a needle (inserted into
  the uterus to get fluid from the amniotic sac)

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Pregnancy

• 1st sign of pregnancy
• Woman will miss her period
• Labor Process of childbirth
• Dilation of the cervix
• Delivery of the baby
• Delivery of the placenta

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Complications

• Ectopic Pregnancy
• Miscarriage
• Cesarean Section
• Stillbirth

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After the Baby is Born

• Apgar Score rating of the baby 1 to 5 minutes
  after birth.
• Postpartum period Hormones produce changes in
  the mothers body.