Beginning of organ formation: |
|
Five Weeks
Gestational Age
|
Major organs have formed: |
|
Ten Weeks
Gestational Age
|
End of first trimester
(12 weeks) - Risk of miscarriage decreases:
|
|
11 to 14 Weeks
Gestational Age
|
Some preemies can now
survive (23 weeks):
|
|
23 Weeks
Gestational Age
|
End of second
trimester (27 weeks):
|
|
|
Estimated due date
(40 weeks - full term):
|
|
|