You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which of the following is not an etiology of cord prolapse? and explain in detail?
Dextrarotated uterus is a normal physiological changed seen in pregnancy. ETIOLOGY: Malpresentations:transverse (5-10%) and breech (3%) Contracted pelvis Prematurity Twins Hydramnios Placental factor:placenta pre Iatrogenic: lLow rupture of the membranes, manual rotation of the head, ECV, IPV Stabilizing induction