What does it mean when the lower edge of the posterior placenta reaches the internal cervical os?

Apr 19, 2023 Source: Cainiu Health

Dr. Lv Aiming

Introduction

Placenta posterior lower margin reaching the internal cervical os indicates a low-lying placenta. When the lower edge of the posterior placenta reaches the internal cervical os, it typically signifies a low-lying placenta. The maternal cervical os may be obstructed by the placenta, potentially preventing the fetus from passing through the vagina during delivery. Low-lying placenta may result from factors such as endometrial injury, delayed development of the fertilized egg's trophoblast, or an abnormally large placental area.

The placenta's posterior lower edge reaching the internal cervical os indicates a low-lying placenta. The detailed analysis is as follows:

In general, when the lower edge of the posterior placenta reaches the internal cervical os, it is considered a low-lying placenta. This condition may block the cervix, potentially preventing the fetus from passing through the vagina during delivery. Low-lying placenta may result from factors such as endometrial injury, delayed development of the fertilized egg's trophoblast, or an excessively large placental area. Diagnosis can be confirmed at a qualified medical institution using ultrasound, vaginal examination, or magnetic resonance imaging (MRI). If a low-lying placenta is present during pregnancy but causes no discomfort, cesarean section may be chosen for delivery. However, if symptoms such as vaginal bleeding or pain occur due to a low-lying placenta during pregnancy, medications such as ferrous sulfate tablets or ferrous succinate tablets may be used under medical guidance to maintain adequate blood supply.

It is recommended to undergo regular prenatal checkups during pregnancy. If any adverse symptoms occur, seek prompt medical attention and receive targeted treatment to avoid delays that could negatively affect both fetal and maternal health. In daily diet,适当 increasing protein intake is advisable.

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