Movie TheaterEarly Pregnancy Factor |
| Buy NowFrom The Biology of Prenatal Development. |
|
Script: As early as 24 to 48 hours after fertilization begins, pregnancy can be confirmed by detecting a hormone called "early pregnancy factor" in the mother's blood. |
|
All ages referenced to fertilization, not last menstrual period.
|
|
Log in to create a playlist |
Fertilization 2
|
Cell Division
|
The Morula and Blastocyst
|
3 Billion Base Pairs per Cell
|
Amnion and Germ Layers
|
Early Embryonic Development
|
| Previous Set Previous Movie | Next Set Next Movie |
