Back pain at 10weeks

Cheyanne
Has anyone else had bad back pain early on in pregnancy?!? I'm only ten weeks and I just want to be sure it's normal I went to my doctor the other day and I completely forgot to ask because I was in such awe of our baby's heartbeat. Any one have any suggestions to help relive it?! I do yoga and I've been trying to go swimming once a week. It's right on my tailbone and makes getting up to pee at night a nightmare.