What Is SI Joint Pain? Injury, pregnancy, or uneven movement in your pelvis can cause low back, butt, and leg pain that's often worse after you've been sitting for a while. This may be because ...

The research, published in Human Reproduction, found that this was true even after accounting for higher rates of pre-eclampsia (high blood pressure during pregnancy), preterm birth (babies born ...

Age, height, mean weight before this pregnancy, weight gain during pregnancy, caesarean section, baby's birth weight, benign joint hypermobility ... to report lumbopelvic pain compared with women ...