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Pregnancy and Childbirth

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Pregnancy and Childbirth Lesson #24 Conception / Fertilization: union of an ovum and a sperm. Takes place in the upper 1/3 of the fallopian tube Heredity: passing of ... – PowerPoint PPT presentation

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Title: Pregnancy and Childbirth


1
Pregnancy and Childbirth
  • Lesson 24

2
  • 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.

3
  • 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

4
XX or XY
  • Female Male

5
  • 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.

6
  • 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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10
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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12
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

13
Complications
  • Ectopic Pregnancy
  • Miscarriage
  • Cesarean Section
  • Stillbirth

14
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.
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