the Risks of Placenta Accreta After Previous Abortions

Invasive placenta

I would like to ask the doctor, about 15 years ago I had two abortions, one was a surgical abortion at nearly three months of pregnancy, and the other was a medical abortion.
Now I am several months pregnant.
After all these years, is there still a risk of placenta accreta?

hen dan xin, 30~39 year old female. Ask Date: 2020/09/06

Dr. Cao Guotao reply Obstetrics and Gynecology

Hello, it is generally not common, but it is still recommended to visit a gynecologist for an examination.
Wishing you good health.

Reply Date: 2020/09/06

More Info

Understanding the Risks of Placenta Accreta After Previous Abortions
Placenta accreta is a serious condition that occurs when the placenta attaches too deeply into the uterine wall, potentially leading to severe complications during delivery. Given your history of two abortions approximately 15 years ago, it is understandable to be concerned about the risks associated with your current pregnancy.

Firstly, it is important to note that the risk of placenta accreta can be influenced by several factors, including the number of previous cesarean deliveries, the presence of uterine scars, and the history of uterine surgeries, including abortions. In your case, having undergone two abortions may contribute to an increased risk of abnormal placentation, particularly if there were any complications during those procedures that could have affected the uterine lining.

Research indicates that the risk of placenta accreta is higher in women with a history of uterine surgery. Specifically, studies have shown that the risk of placenta accreta increases with the number of cesarean sections, but it can also be elevated in women with a history of dilation and curettage (D&C) or medical abortions. The scarring of the uterine lining from these procedures can lead to abnormal implantation of the placenta in subsequent pregnancies.

In your current pregnancy, it is crucial to have regular prenatal care and monitoring. Your healthcare provider may recommend an ultrasound to assess the location and implantation of the placenta. If the placenta is found to be low-lying or covering the cervix, further evaluation may be necessary to determine the risk of placenta accreta. In some cases, additional imaging studies, such as MRI, may be utilized to provide more detailed information about the placental attachment.

It is also essential to communicate openly with your obstetrician about your medical history, including your previous abortions, as this information will help them assess your risk more accurately. If there are concerns about placenta accreta, your healthcare provider may discuss a plan for delivery that minimizes risks, which could include scheduling a cesarean delivery before labor begins, especially if there are signs of placenta accreta.

In summary, while your history of two abortions may increase the risk of placenta accreta in your current pregnancy, it is not a definitive outcome. Regular monitoring and communication with your healthcare provider are key to managing this risk effectively. If you have any concerns or experience symptoms such as unusual bleeding or severe abdominal pain, it is essential to seek medical attention promptly. Your healthcare team is best equipped to provide personalized advice and care based on your specific situation.

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