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Placental implantation prediction method based on hidden Markov model

A technology of placenta accreta and prediction method, which is applied in special data processing applications, instruments, electrical digital data processing, etc. It can solve the problems of poor repeatability, high cost, and low recognition degree of early placenta accreta, and achieve accurate results, high cost effect

Inactive Publication Date: 2015-03-04
FUZHOU UNIV
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Problems solved by technology

In recent years, MRI diagnosis has been used. There are some limitations and shortcomings in MRI diagnosis. ① Thermal effect ② Easy to be disturbed by fetal movement ③ No unified diagnostic standard ④ Poor repeatability ⑤ High cost high

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  • Placental implantation prediction method based on hidden Markov model

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0024] Please refer to figure 1 , the present invention provides a method for predicting placenta accreta based on a hidden Markov model, characterized in that it comprises the following steps:

[0025] The first step: extract maternal data, obtain x pieces of maternal data from hospitals or health organizations, and the observation objects of a piece of maternal data include history of cesarean section, placenta previa, maternal age, history of multiple births and placental position, 200≤x≤400 ;

[0026] The second step: establish the initial data of the hidden Markov model;

[0027] Step 3: Predict the type of placenta accreta of the case on the basis of the initial data of the hidden Markov model.

[0028] In this embodiment, a piece of maternal data in the first step includes 15 stages, and two adjacent stages are separated by one week, which is ...

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Abstract

The invention relates to a placental implantation prediction method based on a hidden Markov model. The method comprises the following steps: firstly, extracting lying-in woman data, namely obtaining x lying-in woman data from a hospital or a health organization, wherein the observation objects of the lying-in woman data include history of cesarean section, placenta previa, age of the lying-in woman, history of fecundity and placenta position, and x is 200; secondly, building initial data of the hidden Markov model; thirdly, predicting the placental implantation type of a case on the basis of the initial data of the hidden Markov model. According to the method, the limitations and deficiencies of heat effect, easy fetal movement interference, no unified diagnostic standards, high expense and the like of existing MRI (magnetic resonance imaging) diagnosis are made up for, the prediction of the placental implantation type is relatively accurate, and great contribution is made for guaranteeing lives of lying-in women and fetuses.

Description

technical field [0001] The invention relates to a method for predicting placenta accreta based on a hidden Markov model. Background technique [0002] In recent years, due to the increase in the rate of cesarean section and other factors, the incidence of placenta accreta is gradually increasing, and the rate of death of pregnant women caused by complications of placenta accreta is also increasing, which seriously threatens the lives of pregnant women. , The diagnosis and treatment of placenta accreta has always been a hot and difficult issue in obstetrics and gynecology research. [0003] Placenta accreta refers to abnormal invasive implantation of the placenta, where the placental villi directly penetrate the decidua basalis to reach or invade the myometrium. Placenta accreta is a pathologically diagnosed disease, and prepartum diagnosis mainly relies on medical history (high risk factors) and imaging examinations. In recent years, MRI diagnosis has been used. There are ...

Claims

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Application Information

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IPC IPC(8): G06F19/00
Inventor 张栋陈凯叶东毅颜建英余春艳
Owner FUZHOU UNIV
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