Are Women's One A Day vitamins okay during pregnancy? TTC and want to know if I can take them until my appt.?

I'm taking these vitamins during my 2ww. It is safe for the baby in the event I do get a BFP, or do I need to stop taking them and wait to get prenatal vitamins? I know the prenatal vitamins have more of the vitamins/minerals a expecting mother needs, but I didn't know if regular vitamins have something not-so-great or too much of something...