My Girlfriend And I Were On The Verge Of Having

My girlfriend and I were on the verge of having sex. My penis was 2 inches into her vagina. Just for safety she took one I-pill. Her period was just ended 6 days back. (Today, 10 days later) She experienced some spotting and she is now bleeding. Are this the signs of pregnancy or any other disorder. FYI- this is the second time she has taken and I-Pill in a single month