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A Doppler fetal monitor, informally known as sonicaid (generic trademark), is a hand-held ultrasound transducer used to detect the fetal heartbeat for prenatal care. It uses the Doppler effect to provide an audible simulation of the heart beat. Some models also display the heart rate in beats per minute (BPM).
Miscarriages may be tracked for purposes of health statistics, but they are not usually recorded individually. For example, under UK law, all stillbirths should be registered, [159] although this does not apply to miscarriages. According to French statutes, an infant born before the age of viability, determined to be 28 weeks, is not registered ...
The maximum heart rate (HR max) is the age-related highest number of beats per minute of the heart when reaching a point of exhaustion [28] [29] without severe problems through exercise stress. [30] In general it is loosely estimated as 220 minus one's age. [31] It generally decreases with age. [31]
The obstetric history of a female who has had four pregnancies, one of which was a miscarriage before 20 weeks, would be noted in the GPA system as G 4 P 3 A 1 and in the GP system as G 4 P 3. The obstetric history of a female who has had one pregnancy of twins with successful outcomes would be noted as G 1 P 1+1 .
In 2021, the Texas Heartbeat Act stated that ”a physician may not knowingly perform or induce an abortion on a pregnant woman if the physician detected a fetal heartbeat for the unborn child ...
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Texas woman faced emotinally and physically taxing situation after several doctors denied medically intervening in her miscarriage
The heart rate increases, but generally not above 100 beats/ minute. Total systematic vascular resistance decreases by 20% secondary to the vasodilatory effect of progesterone. Overall, the systolic and diastolic blood pressure drops 10–15 mm Hg in the first trimester and then returns to baseline in the second half of pregnancy. [6]