Application of blood glucose monitor based on Freescale MCU

Electronic enthusiasts core tips : Freescale ’s advanced technology in low power consumption and mixed signals has led to the emergence of more flexible microcontrollers (MCUs). These microcontrollers have many key peripheral devices that can be used for pregnancy monitoring Applications, including gestational diabetes monitoring. In all areas important for medical applications—low voltage, mixed-signal physical integration, display, and connectivity—Freescale provides the powerful technology needed for next-generation medical system solutions.

Gestational diabetes

Pregnant women who are not diabetic will still have higher blood sugar (glucose) levels during pregnancy. This is called gestational diabetes, and it affects 1% to 3% of pregnant women. Basically, the production of hormones in women during pregnancy increases, which leads to insulin resistance, which means that insulin cannot effectively reduce blood sugar levels, which forces the body to produce more insulin to compensate, resulting in gestational diabetes.

In addition, although any woman may develop gestational diabetes, some people are more likely to develop gestational diabetes than others. These include:

● Older than 25 years old

● Have a family history of diabetes, or those with gestational diabetes in the previous pregnancy

● Has given birth to an infant weighing more than 9 pounds or experienced an unexplained stillbirth

● Overweight before pregnancy

In addition, due to unknown reasons, Hispanics, Indians, Asians and black women are more likely to develop gestational diabetes than other women. For women who already have diabetes, good blood sugar control before fertilization and during pregnancy is not only important for the women themselves, but also for the health of the fetus.

During pregnancy, if the blood sugar level is not well controlled, too much blood sugar will raise the blood sugar level of the fetus through the placenta. This makes the body of the fetus obese and creates neonatal megalophobia (9 pounds and 15 ounces at birth). Babies with megalophobia will face many health problems, including being prone to respiratory diseases, childhood obesity, developing type 2 diabetes in childhood, and even causing physical harm during pregnancy and childbirth.

For these reasons, accurate blood glucose measurement before pregnancy or early pregnancy is crucial for the rapid diagnosis and treatment of gestational diabetes (see Figure 1). In particular, most women do not show the early stages associated with diabetes Symptoms (excessive thirst and frequent urination).

The initial diagnosis included an oral glucose tolerance test. This is usually done in a clinic environment, requiring patients to drink a glucose solution and then monitor blood glucose at certain intervals (see Table 1). However, the most convenient way to observe the symptoms of diabetes in the later period is at home, which requires accurate home monitoring equipment.

Advanced semiconductor technology from Freescale, with low power consumption, mixed-signal physical integration, display and connection interfaces, makes it possible to design small, easy-to-use devices. This device is an ideal solution for home blood glucose monitoring.

If you want to know more, please continue to browse: Freescale blood glucose tester __ technology to help reduce complications of diabetes during pregnancy

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