Em.3 Human Embryo 7 ½ Months

 Em.3                          Human Embryo 7 ½ Months

 

Description:  

·       Lung growth reaches the point where some gas exchange sac is formed. 

·       The lung begins to make a chemical called surfactant. 

·       The placenta is fully formed. 

·       The placenta is around 24 mm thick. 

-     Positions of the placenta can be anterior, posterior, fundal and lateral.