Can i take geritol liquid and prenatal vits, fertility blend

rosie
Hello everyone i am ttc and i was woundering if i could take Geritol and my prenatal vitamins together and fertiliy blend . The geritol liquid has 18mg of iron , Prenatal has 28mg, and fertility blend has 9mg of iron. Also when do i take the Geritol im on CD 10 and when should i stop ?