Risk factors for premature birth or stillbirth due to<unk>  include: * diagnosis of<unk>  in a previous pregnancy * previous preterm premature rupture of membranes * history of conization<unk>  biopsy) * diethylstilbestrol exposure, which can cause anatomical defects, and * uterine anomalies Repeated procedures (such as mechanical dilation, especially during late pregnancy) appear to create a risk. Additionally, any significant trauma to the cervix can weaken the tissues involved.
Cervical weakness
Cervical motion tenderness
Lumbar enlargement
Middle back pain
Back pain
Neuralgia
Radicular pain
Pelvic girdle pain