-
Fertilization
-
Morula formed
-
-
Pronuclei join together
-
Begins to exist when sperm joins with an egg and meiosis is completed to form the ovum
-
Pronuclei join together
-
First round of mitosis (cleavage)
-
Second Round of Mitosis
-
Third Round of Mitosis
-
Occurs when the third round of mitosis happens, forming the morula
-
Heart begins to beat
-
64 cell embyro called blastocyst
-
Occurs when a blastocyst forms and outer cells become to placenta
-
Implantation
-
Disk with streak on the underside forms mesoderm
-
ectopic pregnancy can occur
-
HCG begins to be secreted
-
First missed period
-
Face plates forming
-
neural tube forms
-
Muscles form, bent neck, webbed hands and feet, segmented back
-
Cleft lip or palate may occur
-
Fingers and toes separate, eyes and ears formed
-
Genitalia begins to differentiate, eyelids fuse, amnion surrounds fetus
-
Chorionic villi sampling could be performed
-
Amniocentesis could be performed
-
Eyes, open, fat added under skin, head out of proportion to the body
