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During pregnancy, the placenta moves as the uterus stretches and grows. In early pregnancy, a low-lying placenta is very common.
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The exact cause of placenta previa is unknown. However, contributing factors include:.increased parity, i.e. the mother has been pregnant before.older maternal age(Women over the age of 35 have an increased risk of placenta previa by 4.7 times.
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While the actual cause of placenta previa is unknown, certain factors increase the risk of a woman developing the condition. These factors include:.
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