WHAT IS GOING ON?!!!๐Ÿ˜–๐Ÿ˜–

Period due in 3 days just went to the bathroom and had light pink spotting now it's gone but then I started having pretty bad lower back pain followed by cramps the cramps are not to bad just really uncomfortable. Help me ๐Ÿ˜–๐Ÿ˜ญ