What reason is always waist sleepy abdomen to have to rise to ache feeling recently

Recently always waist sleepy small belly has swelling pain is considered to be caused by pregnancy, due to the increase in estrogen and progesterone levels in the body, uterus with fetal growth will appear backache small belly pain, can also be considered because of pelvic inflammation, there are larger uterine fibroids, there are lumbar myofascitis.