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One advantage of the Doppler fetal monitor over a (purely acoustic) fetal stethoscope is the electronic audio output, which allows people other than the user to hear the heartbeat. One disadvantage is the greater complexity and cost and the lower reliability of an electronic device. [citation needed]
The heartbeat is initiated in the pacemaker regions and spreads to the rest of the heart through a conduction pathway. Pacemaker cells develop in the primitive atrium and the sinus venosus to form the sinoatrial node and the atrioventricular node respectively. Conductive cells develop the bundle of His and carry the depolarization into the ...
The fetal heartbeat is shown in orange, uterine contractions are shown in green, and the small green numbers (lower right) show the mother's heartbeat. Cardiotocography sound Schematic explanation of cardiotocography: heart rate (A) is calculated from fetal heart motion determined by ultrasound, and uterine contractions are measured by a ...
In Gypsy's pregnancy announcement on YouTube, she strongly expressed her desire to give her baby a better life than she had. "All the things that I wanted in a mother, I want to give to this baby ...
Fetal heart tone (the sound of the heart beat) can be heard using doppler. Nipples and hair follicles begin to form. Location of the elbows and toes are visible. Spontaneous limb movements may be detected by ultrasound. All essential organs have at least begun. The vitelline duct normally closes.
A boy who spent nearly his entire first year of life hospitalized was able to celebrate his first birthday at home after undergoing a complex heart transplant. Parker Helmerich of Tulsa, Oklahoma ...
A fetal heartbeat bill (SB 1274) was signed into law by then-Oklahoma governor Mary Fallin in April 2012 that requires an abortion provider to offer a woman the opportunity to hear the conceptus's heartbeat before ending the pregnancy, and applies when the conceptus is at least eight weeks old. The bill took effect in November 2012.
In humans, the circulatory system is different before and after birth. The fetal circulation is composed of the placenta, umbilical blood vessels encapsulated by the umbilical cord, heart and systemic blood vessels.