Back pain

Shay❤ • Zayden Isaiah was born on May 25, 2017.💙 Adriyan Daniel King born on November 19, 2019❤😊 I'm 19 years old👣👨‍👩‍👦‍👦
Is it normal to have so much back pain at 18 weeks?? I didnt expect to have back pain this bad until 30+ weeks.