Irish Wedding News
16/03/2015
The research, which looked at both the medical and non-medical use of ultrasound, found there was no evidence that repeated exposure to ultrasound has cumulative or detrimental effects. However, the RCOG added that that the first 10 weeks of gestation was a time of "potential vulnerability", given that the embryo was very small and cell division was also most rapid during this time. In addition, fetal blood flow was limited as the fetal-placental circulation was established after 11 weeks' gestation, meaning a potential vulnerability to thermal stress.
With a lack of epidemiological data, those behind the study adopted a precautionary approach, saying they do not endorse the use of ultrasound in such an early stage of pregnancy, unless clinically indicated, or within the context of a research study.
The paper looked at the various types of ultrasound, including B-mode – the most commonly used form of ultrasound in obstetrics – and colour and pulse wave Doppler. The authors found that Doppler involves greater average intensity and power outputs than B-mode, and therefore are not recommended at all during the embryonic period of development.
The findings have been published in a Scientific Impact Paper (SIP).
(JP/MH)
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RCOG Examines Use Of Early Ultrasound
A new study by the Royal College of Obstetricians and Gynaecologists (RCOG) has suggested that using ultrasound within the first 10 weeks of pregnancy should only be performed when clinically indicated.The research, which looked at both the medical and non-medical use of ultrasound, found there was no evidence that repeated exposure to ultrasound has cumulative or detrimental effects. However, the RCOG added that that the first 10 weeks of gestation was a time of "potential vulnerability", given that the embryo was very small and cell division was also most rapid during this time. In addition, fetal blood flow was limited as the fetal-placental circulation was established after 11 weeks' gestation, meaning a potential vulnerability to thermal stress.
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With a lack of epidemiological data, those behind the study adopted a precautionary approach, saying they do not endorse the use of ultrasound in such an early stage of pregnancy, unless clinically indicated, or within the context of a research study.
The paper looked at the various types of ultrasound, including B-mode – the most commonly used form of ultrasound in obstetrics – and colour and pulse wave Doppler. The authors found that Doppler involves greater average intensity and power outputs than B-mode, and therefore are not recommended at all during the embryonic period of development.
The findings have been published in a Scientific Impact Paper (SIP).
(JP/MH)
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