My wife kept taking primolut-n even after pregnancy, is there a problem?

My wife kept taking primolut-n for five days for regularize the three months delayed period after the pregnancy test showing negative, but after 15 days not started period, so meet with the doctor and checked blood, that time result came positive. She did taken 15 tablets without knowing that she was pregnant and now when her pregnancy test came positive we are very worried if the pill is going to have an adverse effect on the baby or it can cause any deformities to the fetus please answer it for us.
Another factor is that she was fever around 5 days on first week of april and taken paracetamol tablet at that time .Is there any problem?Is any problem to continue this pregnency?Please advise sir.Thanks in advance
LMP 5.3.2017
GA 9weeks