No. The pregnancy is not in question here. She took the medication in excess. Unwanted 72 is just to be taken once in the first 72 hours. Since she took it twice, she has got too much hormone pumped in her system and that may be the cause of her disturbed menses &/or spotting. The cycles may be disturbed for a couple of months and then the body should ideally regain the normal. If she experiences any troubling symptoms like loss of much blood or loss for long, pain, fever etc she should contact a nearby physician. Avoid taking emergency contraceptives, and if necessary take them in a vise quantity as suggested. Using condoms is one of the best ways to avoid such situations as well as it prevents you from getting any sexually transmitted infections. Enjoy safe sex, take care.

It was withdrawal bleeding because of emergency contraceptive pill. The chances of pregnancy are almost nil after withdrawal bleeding.