And the back pain is probably because your stomach is growing so you have to walk different to hold it up
Yes you can, but at this stage it may be deadly for your baby, if you think you may be going into labor contact your doctor, the safest time for a baby to be born is after 37 weeks, before that it's preterm and may require a nicu stay for your baby, being so young you're at risk for preterm labor, so definitely tell your doctor, good luck hun!