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Fetal heart rate monitoring, like listening to fetal movements, is a major event in the third trimester.
However, many pregnant mothers subconsciously think that it only checks the fetal heartbeat, which can actually be used as a basis for judging whether the fetus is hypoxic.
The larger the fetus gets, the smaller the uterine space becomes, and the amniotic fluid is easy to cloud, all kinds of factors.
The likelihood of deprivation of oxygen to the fetus also increases.
Fetal heart rate monitoring is the same as counting fetal movements, which can give pregnant mothers a general understanding of the state of the fetus, and if there is a lack of oxygen, it is better to detect and deal with it in time to avoid greater accidents.
About fetal heart rate monitoring.
Fetal heart rate monitoring is a test to determine the health of the fetus by measuring fetal movement and fetal heart rate.
There are many ways to perform fetal heart rate monitoring, the most commonly used:
In vitro testing, in vivo testing and remote sensing testing, but the most popular is in vitro testing, such as the fetal monitoring belt used by pregnant mothers in daily life.
There are two fetal monitoring belts, one to detect fetal heart rate and one to detect uterine contraction pressure, which need to be used together after 38 weeks of pregnancy, which is relatively convenient and flexible.
Fetal heart rate monitoring in the third trimester of pregnancy, how to see if the baby is hypoxic? There are some knowledge that pregnant mothers should understand, so that the state of the fetus can be mastered.
How does fetal hypoxia occur?
Fetal hypoxia is the most feared problem in the late trimester of pregnancy, and it may lead to severe problems.
Cause intellectual impairment or stillbirth in the fetus.
The way to count fetal movements is relatively simple, but some babies love to move and some don't, and expectant mothers still don't count in their hearts, hanging day and night, afraid that they can't perceive the state of the fetus in time.
Fetal heart rate monitoring is an accurate and trustworthy way to detect the speed of the fetal heartbeat, you can see many problems, if the fetal heartbeat slows, it is a signal of possible hypoxia.
Of course, this does not mean that the faster the fetal heartbeat, the better, and too fast does not rule out the possibility of fetal hypoxia.
If it is beyond the normal range, whether the fetal heart rate is fast or slow, special attention should be paid, especially to be vigilant that the fetal umbilical cord is around the neck, and in severe cases, an early caesarean section may be required.
Don't be lucky or sluggish, and be sure to seek medical attention in time to control the risk.
When should I start fetal heart rate monitoring?
The development of the fetus is regular, and fetal heart rate monitoring is not of course the sooner the better, and there is a time limit.
Fetal heart rate monitoring can be done at the earliest.
If you do it after 28 or 32 weeks of pregnancy, you won't get a result even if you do it.
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There are many reasons why fetal heart rate monitoring is not good, because as a mother, she is usually very tired when she is pregnant, and it is impossible to monitor her fetal heart rate all the time, in a normal situation, and the mother is not as thoughtful as her father, and there is.
The mother usually does not learn how to monitor the fetal heart rate, so the fetal heart rate monitoring is not good.
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It may be that the fetus is asleep, the umbilical cord is around the neck, the umbilical cord is torsed, the umbilical cord is knotted, the amniotic fluid is too oligo, the amniotic fluid is contaminated, the umbilical cord is compressed, the placental abruption, placenta previa with bleeding, and it may also be the mother's hypoglycemia state, disease states, such as fever, diarrhea, drug use, etc.
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The more serious the degree of fetal heart rate abnormality, it often means that the fetal hypoxia is also heavier, but not all fetal heart rate abnormalities are caused by hypoxia, in addition to the above conditions, the condition of the pregnant woman herself also affects the changes of the fetal heart rate, such as pregnant women have fever, the fetal heart rate often exceeds 160 times, the pregnant woman has hyperthyroidism, her own heart rate is very fast, the fetal heart rate often exceeds 160 times, if the pregnant woman takes certain drugs, such as salbutamol taken during premature birth to protect the fetus, or with atropine, can cause the mother and child heart rate to increase.
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Umbilical cord around the neck In the case of umbilical cord wrapping, the winding is sometimes aggravated due to the movement of the fetus, and the fetal heart rate will continue to increase. Note: If this occurs before 36 weeks, the fetus can swim freely in the womb due to its small size, and the entanglement can be transient; If it occurs after 36 weeks, this kind of entanglement can cause fetal distress and even death because the fetus is in a more fixed position.
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The main causes of poor fetal heart rate monitoring may be fetal intrauterine hypoxia, fetal intrauterine distress, placenta previa, placental premature contractions, and umbilical cord around the neck. Oligohydramnios will cause poor fetal monitoring.
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The condition of the fetus in the womb can be detected through fetal heart rate monitoring, and if the fetal heart rate monitoring is abnormal, it may be caused by factors such as fetal hypoxia, which requires parents to be able to do fetal heart rate monitoring regularlyWill babies with normal fetal heartbeats in the second trimester be hypoxic?
Will the baby have a normal fetal heart rate in the second trimester Will the fetus be deprived of oxygen in the second trimester, if the pregnant woman is diagnosed with hypoxia, she can go to the hospital for oxygen inhalation if necessary. If the fetus is deprived of oxygen, it will manifest as an abnormal fetal heartbeat. A normal fetal heartbeat is regular and forceful, usually about 120 160 beats per minute, and can be heard after 12 weeks of pregnancy.
If the fetal position is normal, it can be heard with the help of a simple instrument on the left or right side of the lower abdomen, where the fetus is dorsal. Before the fetal movement decreases, the fetal heart rate is more than 160 minutes, which is a signal of early fetal hypoxia; Fetal movements are reduced or stopped, and the fetal heart rate is less than 120 minutes, which is the late stage of fetal hypoxia. The location of the fetal heartbeat should be heard at the doctor's designated place, but it should be noted that if the fetal heartbeat is abnormal, it should be heard again at an interval of 20 minutes; If the fetal heart rate is rapid, it should also be heard again when there is no fetal movement.
Causes of fetal hypoxia.
01 The umbilical cord wraps around a certain part of the body, such as the neck, hands, and feet, causing blood to be unable to be transported to the fetus.
02The mother has anemia and the amount of hemoglobin is insufficient, which leads to a decline in placental function.
03Acute maternal blood loss: such as prenatal hemorrhagic disorders and trauma.
04 Obstruction of uteroplacental blood circulation: sudden labor or uncoordinated uterine contractions, etc.: Excessive uterine contractions caused by improper use of oxytocin.
05 Oligohydramnios is also a major factor, and the lack of nutrients in amniotic fluid will also lead to hypoxia in the fetus.
06 Placental dysfunction: such as post-term pregnancy, placental dysplasia (too small or too large), abnormal placental shape (membranous placenta, contour placenta, etc.) and placental infection.
07 It may also be due to fetal factors, such as fetal cardiovascular system dysfunction, such as severe congenital cardiovascular disease intracranial hemorrhage.
Fetal heart rate monitoring examination methods There are currently three methods to monitor the fetal heart rate at home: stethoscope, fetal heart rate (sound) instrument, and fetal language instrument.
1. The stethoscope has high technical requirements for finding the position of the fetal heartbeat, and the sound is small, which is not easy for ordinary people to find, but it is relatively low.
2. Fetal heart rate monitor and fetal language instrument both use Doppler auscultation technology, fetal heart rate can be used to listen to the fetal heart rate, and some can display the fetal heart rate through LED or LCD screen;
3. The fetal language instrument is a smart device, which can meet the standard of monitoring the fetal heart rate at home, and is used to listen to and record the fetal sound; Count fetal heart rate and fetal movements; Draw guardianship curves; Share it with a doctor or friend over the Internet; The functions are more complete than the traditional ones, but they should be connected to the mobile phone software, which is suitable for pregnant women with Apple and Android mobile phones.
Fetal movement 1, the number of fetal movements is greater than 12 times, which is normal; If the number of fetal movements is less than 10 times in 12 hours, it is considered a decrease in fetal movement, and the cause should be carefully investigated and if necessary, the fetal heart rate should be monitored in the hospital.
This method is simple, convenient, and accurate, and most doctors will recommend it to expectant mothers.
2. B ultrasound.
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In the second trimester of pregnancy, pregnant women have to do fetal heart rate monitoring every day, obviously the fetal heart rate monitoring is 9 points, but when I went to the hail hospital, the doctor said that the fetus has hypoxia, so the fetal heart rate monitoring 9 points The doctor said that what happened to the lack of oxygen? Many people don't understand that the data of the fetal fetal heart rate seems to be quite high, why does the doctor just say that it is unqualified, and why does the doctor say that the fetal heart rate monitoring is 9 points? Let's take a look.
Since the doctor said that the fetus has the problem of hypoxia, it means that there is a certain possibility, it is recommended that pregnant women should be able to pay attention to the doctor's advice, and it is best to do a detailed examination to see if the fetus really has hypoxia. The doctor said that fetal hypoxia must not only look at fetal heart rate monitoring, but also combine other data of pregnant women.
Fetal heart rate monitoring 9 points were said by the doctor to be unqualified, maybe the doctor saw other factors, such as the fetal heart beat range gap is too large, resulting in the fetus has the possibility of hypoxia and so on. If you are diagnosed by the doctor as unqualified, you must be able to ask the doctor what to do, and do not ignore this unqualified problem, otherwise the problem will be more serious when the fetus has been deprived of oxygen.
In addition, pregnant women must remember to maintain a good mood in the third trimester, monitor the fetal heart rate every day, and actively make changes when they find that the fetal heart rate changes are more obvious.
Fetal heart rate monitoring is done at the earliest from 28 weeks, and then pregnant women go to the hospital once a week, which can reduce fetal brain mortality to a certain extent, and is still very useful, so pregnant women must do fetal heart rate monitoring in time, and the data is effective in about 20 minutes each time, if you want to understand the fetal situation more comprehensively and in real time, you can choose to use fetal heart rate monitoring at home.
Hello, generally speaking, the fetal heart rate can only judge the basic state of the fetus, if you see whether the fetus is developing normally, it is recommended that you go to the hospital for examination.
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