Pregnancy and Postural Changes
The uterus grows from an organ that weighs 70g with a cavity space of about 1mL to an organ that weighs more than 1000g that can accumulate a fluid area of almost 20 L. The uterus becomes ovoid. The uterus is completely palpable in the abdomen at about 12- 14 weeks of gestation. More than 50% of gravid females complain of back pain during pregnancy, which may also due to relaxin levels during pregnancy or paraspinous muscle spam. About 4-6per 1000 women will have scoliosis. Osteoporosis doubles the bone loss rates of a menopause of female, reversibly losing about 2% of bone during the first 20 weeks of gestation.