How accurate are early ultrasounds in dating pregnancy Sex chat worlds
Animal and human studies have shown that increasing normal temperatures can cause birth defects and abnormal development in fetuses.
Yet human studies have not yet shown any direct links between pregnancy ultrasound and any adverse effects on babies.
They also go further, to say colour and pulsed wave Doppler – both of which have greater intensity and power output than the type used commonly in obstetrics – shouldn’t be used at all during the first trimester.
Most women aren’t aware they can decline the early ultrasound scan, or even that there might be a reason to do so.During a normal pregnancy, increases in body temperature of up to 2.5 degrees Celsius are assumed to be safe.Research seems to suggest temperature elevations of up to 2.7 degrees, caused by ultrasound, are also safe.They’re also slightly scared at just how vulnerable the little cluster of cells is.Early pregnancy ultrasounds are part and parcel of the pregnancy package, yet few women really question whether or not they are necessary.
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