hi,
I was supposed to take my nur contraceptive on the 14 of November 2016 but missed it i had unprotected sex on the 19th of November 2016 and on the 20 of November i took a 72 hour emergency contraceptive pil,
i practice safe sex twice after and i did a pregnancy test and it was negative i took my nur contraceptive on the 6th of December 2016, i now have a lower back pain n slight abdominal pains aswell, please can you tell why?