Hello sir/mam, me and my girlfriend had sex, after the first session she had an i pill after 2 hours of sex and she had lower abdominal pain. the next?

Unclear question: If she misses her period by more than 4-5 days, do a pregnancy test. If the result is negative repeat the test 4-5 days later unless she get a period by then. Use first morning urine and follow the instructions for the test carefully. If she does not wish to be pregnant, use contraception all the time, every time. She may consider implanted contraceptive, or IUD. Practice safe sex. She should get HPV vaccine.