lower back and pelvic pain

tia • army wife💪🏽 leilani aaliyah 👧🏽, ayla marie 👧🏽 ava jade march2024

i’m in so much pain the pain comes and goes without tightness i read it could be the baby dropping but i’m not sure i never had this with my first does anybody know what it could be ?😮‍💨😭