I think its thru blood cells im not sure though.
No she will not get her period because although it is possible for the person to see bleeding through pregnancy this will not be due to their menstrual cycle hope this helps
A sterile area is maintained by having only sterile items touch other sterile items. ... Sterile fields are areas that are set up for procedures are made sure to be free of microorganisms. Usually, a tray covered with a small towel. The tray contains equipment and supplies for the procedure.
