Is lower back pain normal at 15 weeks of pregnancy?
Generally speaking, whether lower back pain at 15 weeks of pregnancy is normal depends on the specific circumstances. If discomfort occurs, it is recommended to seek medical advice promptly. Detailed analysis is as follows:

Backaches caused by physiological changes during pregnancy are usually normal. At 15 weeks of pregnancy, the uterus gradually enlarges, shifting the body's center of gravity. This requires the lower back muscles to exert extra effort to maintain balance, leading to muscle tension and soreness. Meanwhile, hormonal changes during pregnancy cause ligaments in the lower back to loosen, reducing stability and potentially worsening the sensation of aching. Such cases typically improve with rest and do not negatively affect the pregnancy.
However, if back pain is accompanied by other abnormal symptoms, it may indicate an underlying problem. For example, if the pain continuously worsens and does not improve with rest, or is associated with vaginal bleeding, abdominal tightening, fever, or similar symptoms, it could be related to conditions such as threatened miscarriage, lumbar spine disorders, or urinary tract infections. These require prompt attention and evaluation to prevent adverse effects on maternal and fetal health.
To manage daily discomfort, avoid prolonged standing or sitting and adjust posture appropriately. Gentle massage and localized heat application may help relieve backache, but strong pressure on the lower back should be avoided. If pain is severe or accompanied by unusual symptoms, timely medical evaluation is essential. Follow medical guidance for diagnosis and treatment, and do not self-medicate or attempt unverified remedies.