Your notes are very clear. So it is very easy to answer.
If she has been taking birth control pills regularly as per the instructions then it is > 99% effective in preventing pregnancy
. There was no need to take Nordette
. Since you have taken Nordette too The chances of pregnancy are almost nil.
Taking Nordette on top of her regular medicine is not dangerous. The only side effect is that her mensus may be delayed for a week or so.
I hope I have answered to your satisfaction.