Baby development

Development of the Baby

By katerinarias
  • Fertilization

    Fertilization

    Hour 1
  • Hour 12

    Hour 12

    Pronuclei join together

  • Fertilized Egg

    The egg and the sperm combing together, 23 egg chromosomes of the female and 23 sperm chromosomes join together to form the baby's new 46 chromosomes.

  • Zygotic stage begins

    Nuclear membrane of the ovum disappears and the 23 chromosomes of the sperm joins together the 23 chromosomes of egg.
  • Hour 30

    Hour 30

    First Round of Mitosis (Cleavage)
  • Hour 40

    Hour 40

    Round Two of Mitosis (Cleavage)
  • Hour 50

    Hour 50

    Third Round of Mitosis (Cleavage)

  • Embryo Stage Begins

    Occurs after the 8th week after conception, after the third mitosis.
  • Morula Formed

    Morula Formed

    8 cells
  • Day 6

    Day 6

    64 Cell Embryo called a Blastocyst
  • Day 8

    Day 8

    Implantation
  • Day 10

    Day 10

    Ectopic Pregnancy Could Occur
  • Hatching

    Hatching

  • Day 12

    hCG begins to secrete
  • Day 12

    Day 12

    Disc with streak on the underside forms Mesoderm.

  • Day 15

    First missed period.
  • Day 16

    Day 16

    Neural Tube Forms
  • Day 22

    Day 22

    Heart beings to beat, arm and leg buds appear, yolk sac makes RBCs
  • Day 34, 35, and 36

    Day 34, 35, and 36

    Face plates forming.
  • Day 36

    Day 36

    Cleft Lip or cleft palate may occur
  • Week 6

    Week 6

    Muscles, Neck, Hands and Feet, and Back
  • Week 7

    Week 7

    Fingers and toes separate, eyes and ears formed.
  • Day 50

    Day 50

    Chorionic Villi Sampling could be Performed
  • Day 50

    Day 50

    Genitalia begins to Differentiate

  • Fetal stage begins

    Occurs when all organs are formed
  • Week 9

    Week 9

    Amniocentesis could be preformed
  • Month 6

    Month 6

    Fat added under skin & Head out of proportion to the Body