![]() The soundwaves from the ultrasound create a picture on a screen for the doctor to assess. A healthcare professional uses an ultrasound on the abdomen to view the pelvic organs. ![]() A doctor uses a probe inside the vagina to get a better look at the vaginal canal and cervix. This is the most accurate diagnostic tool for determining placenta previa. There are different ways of diagnosing and monitoring placenta previa. Your healthcare provider will continue to monitor for bleeding in the second half of pregnancy and any changes in the placenta’s positioning. It is only cause for concern if the positioning of the placenta does not resolve on its own. However, it is important to remember that it is actually normal for the placenta to sit lower in the uterus in the beginning of pregnancy. Typically, the first signs of placenta previa would present during a routine week 20 prenatal ultrasound scan. Vaginal bleeding after the 20th week of pregnancy, usually painless but you may have cramps or pain.If any of the symptoms below occur, please consult with your healthcare provider immediately: ![]() In this type, the placenta covers the entire cervix and the baby will have to be delivered through c-section and in the most severe cases, the baby may need to be delivered prematurely. This is the most severe type of placenta previa. Due to the edge of the placenta touching the internal opening of the cervix, any overlap during delivery can cause bleeding. Discuss with your doctor if you can deliver vaginally. The placenta begins to grow at the bottom of the uterus, but won’t cover the cervix. In this type, the cervix is only partially covered and there can still be a vaginal delivery. In most cases, women with placenta previa deliver through c-section. This can cause severe bleeding to happen. Women with placenta previa are also at an increased risk for premature birth.ĭuring pregnancy or labor, if the woman has placenta previa, blood vessels that connect the placenta to the uterus may tear as the cervix opens. If the placenta is low-lying, it can cause severe bleeding during pregnancy and delivery. The placenta also helps to remove waste away from the baby. Typically, the placenta attaches in the upper part of the uterus, and is what provides the baby with oxygen and nutrients and contributes to appropriate development. Placenta previa is when the placenta either partially or totally covers the cervix, which is the opening between the uterus and the vagina. What is Placenta Previa (Low-Lying Placenta)?
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