The circle of birth

I Had the Time of My L(Birth)ife

By bmildor
  • Fertilization

    Fertilization

  • Fertilized Egg

    Fertilized Egg

    Begins to exist when sperm penetrates a woman's egg
  • Pronuclei join together

    Pronuclei join together

    12 Hours
  • Zygote stage begins

    Zygote stage begins

    Occurs when the male and female chromosomes fuse
  • First Round of Mitosis (Cleavage)

    First Round of Mitosis (Cleavage)

    30-36 Hours
  • Second Round of Mitosis

    Second Round of Mitosis

    40 hours
  • Morula Formed

    Morula Formed

  • Embryo Stage Begins

    Embryo Stage Begins

    Occurs when the third cleavage (Morula) is formed
  • Third Round of Mitosis

    Third Round of Mitosis

    50-60 hours
  • 64 Cell Embryo Called a Blastocyst

    64 Cell Embryo Called a Blastocyst

    4 Days
  • Hatching Blastocyst

    Hatching Blastocyst

  • Implantation

    Implantation

    8-10 days
  • Ectopic Pregnancy

    Ectopic Pregnancy

    Can happen during implantation

  • HCG begins to be Secreted

    12 Days
  • Disc with Streak on the Underside forms Mesoder

    Disc with Streak on the Underside forms Mesoder

    12 Days
  • Neural Tube Forms

    Neural Tube Forms

    14-22 Days

  • First Missed Period

    15 Days
  • Heart Begins to Beat, Arm & Leg Buds Appear, Yolk Sac makes RBCs

    Heart Begins to Beat, Arm & Leg Buds Appear, Yolk Sac makes RBCs

    21 Days
  • Face Plates Form

    Face Plates Form

    34th, 35th, 36th Day
  • Cleft Lip or Palate May Occur

    Cleft Lip or Palate May Occur

    34th, 35th, 36th Days
  • Muscles Form, Bent Neck, Webbed Hands and Feet, Segmented Back

    Muscles Form, Bent Neck, Webbed Hands and Feet, Segmented Back

    6th week
  • Fingers & Toes Separate, Eyes & Ears formed

    Fingers & Toes Separate, Eyes & Ears formed

    7 Weeks
  • Genitalia Begins to Differentiate, Eyelids Fuse, Amnion Surrounds Fetus

    Genitalia Begins to Differentiate, Eyelids Fuse, Amnion Surrounds Fetus

    50 Days
  • Fetal stage begins

    Fetal stage begins

    Occurs when the embryo experiences formation of all organs
  • Chorionic Villi Sampling Could be Performed

    Chorionic Villi Sampling Could be Performed

    9-11 Weeks
  • Amniocentesis Could be Performed

    Amniocentesis Could be Performed

    14-15 Weeks
  • Eyes Open, Fat added under skin, Head out of proportion to the body

    Eyes Open, Fat added under skin, Head out of proportion to the body

    6-7 months