Me and my girlfriend had non-penetrative intercourse on 11th Feb, on her 5th day of her periods (7th Feb). Ofcourse no penetration and ejaculation took place inside her vagina, but fearing any precum had entered during fingering, I adviced her to get an ipill. She took one 23 hours later. After roughly 1 week, she had light withdrawal bleeding and cramps which continued for 2 days. Now it's been over a month and 2 weeks after her last period, she hasn't got any. She generally has a bit longer menstrual cycle, 32 days long on average. She got some light cramps and PMS last week, but no bleeding. Also she doesn't have any nausea or vomiting symptom. Is the delay due to ipill? Do we have anything to worry about?