What Should Mothers Do During Week 31 of Pregnancy? At 31 weeks, your baby is growing fast, and your body is changing rapidly! Here’s what to expect and how to take care of yourself: Common Symptoms • Frequent urination and slight leakage when laughing or sneezing—this is due to increasing pressure on your bladder. • Heartburn and acidity are more common as your uterus pushes against your stomach. • Shortness of breath occurs because the growing uterus compresses your diaphragm and chest. • Impo