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Fetal Development Timeline

By Imcgillicuddy

  • Fertilization

    Fertilization

  • Pronuclei join together

    Pronuclei join together

  • First round of mitosis

    First round of mitosis

  • Second round of mitosis

    Second round of mitosis

  • Third round of mitosis

    Third round of mitosis

  • Morula formed

  • 64 cell embryo called a blastocyst

    64 cell embryo called a blastocyst

  • Hatching

  • Implantation

    Implantation

  • Ectopic pregnancy could occur

    Ectopic pregnancy could occur

  • hcg begins to be secreted

  • disc with streak on the underside forms mesoderm

    disc with streak on the underside forms mesoderm

  • first missed period

  • heart begins to beat

    heart begins to beat

  • neural tube forms

    neural tube forms

  • face plates forming

    face plates forming

  • cleft lip or palate may occur

    cleft lip or palate may occur

  • muscles form, webbed hands and feet

    muscles form, webbed hands and feet

  • fingers and toes separate, eyes and ears form

    fingers and toes separate, eyes and ears form

  • genitalia begins to differentiate

    genitalia begins to differentiate

  • chorionic villi sampling can be performed

    chorionic villi sampling can be performed

  • amniocentesis can be performed

    amniocentesis can be performed

  • eyes open, fat added under skin

    eyes open, fat added under skin