After yesterday's post on Charles and I being in disagreement on the beats per minute the Dr guesstimated our baby's heart was beating, I got lots of opinions. So let me try to back up why I believe the Dr said 104...
"Fetal heart rate tends to vary with gestational age in the very early parts of pregnancy. Normal heart rate at 6 weeks is around 90-110 beats per minute (bpm) and at 9 weeks is 140-170 bpm. At 5-8 weeks a bradycardia (less than 90 bpm) is associated with a high risk of miscarriage." from Obstetric Ultrasound
"Generally from 6 ½ -7 weeks is the time when a heartbeat can be detected and viability can be assessed. A normal heartbeat at 6-7 weeks would be 90-110 beats per minute." from American Pregnancy
So I am expecting when we go for another ultrasound at 8w 1d to most certainly see an increase in the heart rate. Probably not quite to the 140 bpm mark yet but pretty darn close anyways.
And that my friends, is two backings on my thoughts that Dr. S said the heart rate was about 104...
"Fetal heart rate tends to vary with gestational age in the very early parts of pregnancy. Normal heart rate at 6 weeks is around 90-110 beats per minute (bpm) and at 9 weeks is 140-170 bpm. At 5-8 weeks a bradycardia (less than 90 bpm) is associated with a high risk of miscarriage." from Obstetric Ultrasound
"Generally from 6 ½ -7 weeks is the time when a heartbeat can be detected and viability can be assessed. A normal heartbeat at 6-7 weeks would be 90-110 beats per minute." from American Pregnancy
So I am expecting when we go for another ultrasound at 8w 1d to most certainly see an increase in the heart rate. Probably not quite to the 140 bpm mark yet but pretty darn close anyways.
And that my friends, is two backings on my thoughts that Dr. S said the heart rate was about 104...
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