42+ Painful Back Pain During Period PNG . It's usually felt as painful muscle cramps in the tummy, which can spread to the back and thighs. Below, we look at why this type of pain occurs during. Period pain and when to seek help from images.ctfassets.net It's usually felt as painful muscle cramps in the tummy, which can spread to the back and thighs. Period pain is common and a normal part of your menstrual cycle. Some women experience it in the first trimester, but for many women. So the body is preparing for the upcoming birth. Some pain, cramping, and discomfort during menstrual periods is normal. But if you're a woman with a period, back pain might be a monthly occurrence. Causes of back pain in pregnant women. During pregnancy, the ligaments in the body naturally become softer and stretch to. Source: i.ytimg.com Causes of back pain i...