question: Hello doctor, My fiancee and I had unprotected sex on the fifth and 15th day of her menstrual cycle. On the 15th day, she was on top, and I ejaculated. Later we took a bath, and after 20 to 22 hours, she took an I-pill. We later had protected intercourse, before and after this unprotected act too. Her periods was due within the next seven days, but she missed it. We are extremely worried. Can she be pregnant? She had not experienced any spotting or mild bleeding as of now, but she has back pain. Please help.