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are detected for the time-series which exceeds the minimum peak height
which represents the strong Uterine Contractions. The  FIG 4 shows an example in which the level
crossing rate is determined for the uterine EMG time series data and the
contractions are estimated as 3 contractions for 10 minutes which are denoted
in   circles. Hence the 3 contractions represents  the first stage of early labor contractions.

0029
Another vital parameter is monitoring
the Fetal heart beat ,which determines the well-being of the Fetus. The
physician uses this procedure to assess the rhythm and rate of the Fetus’
heartbeat. Under normal circumstances, a Fetus’ heart rate ranges anywhere from
120 beats to 160 beats per minute. This rate varies depending on the
environment the Fetus experiences in the uterus. Obstetricians monitor Fetal
heartbeat practically in every pregnancy, 
for monitoring the changes that could be connected with pregnancy or
Labor-related problems. Furthermore for Preterm Labor medications, Fetal
heartbeat monitoring allows the physician to observe the effects of the
medication on the Fetus. Fetal heartbeat monitoring is often used for high-risk
pregnancies.

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0030 If the
Fetus’ heart rate is abnormal, it could mean the Fetus is not getting
sufficient amounts of oxygen or there are other problems. Monitoring the
heartbeat allows the physician to ensure everything is fine with the Fetus
during the pregnancy and through labor. Fetal Heart Rate can offer important clues about
the developing baby’s health because it’s proof that the pregnancy is
going well. FHR decreases slightly during gestation.

0031 A baby’s
heart rate will normally accelerate during a contraction, then slows as the
mother and baby recover. If the baby’s heart rate fails to recover adequately,
medical attention needs to be provided. Normal Fetal Heart Rate ranges from are
120( bpm)  to 160  (bpm). Hence the Safety
Margin is:             100(bpm)
<  FHR(bpm)  <  160(bpm). If the Fetal heart rate deviates from the safety margin then the fetal is prone to high risk of preterm labor, hence the patient needs to be taken immediately to the hospital. 0032 Fetal ECG signal provides valuable information about the fetal heart growth , fetal maturity and health condition is obtained by FECG electrodes on the surface of the abdomen as represented in FIG 1. Maternal electrocardiogram (MECG) is a dominant noise mixed with FECG in abdominal electrocardiogram (AECG) signal. Since the amplitude, strength and magnitude and of MECG is greater than that of the FECG it is often superimposed with MECG and other noises . 0033 Moreover, the baseline drift, power-line interference, gestational age, position of the electrodes, skin impedance and random electrical noise caused by human movement, baseline drift due to poor contact of measurement electrode are some external noises that can affect the Fetal ECG  

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