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Transvaginal scans usually provide clearer pictures during early pregnancy and in obese women. Also used is Doppler sonography which detects the heartbeat of the fetus. Doppler sonography can be used to evaluate the pulsations in the fetal heart and bloods vessels for signs of abnormalities. [5]
Sleep disorders are frequently experienced during pregnancy, impacting over 50% of all pregnancies. [18] These issues tend to become more prevalent as pregnancy advances. The most commonly observed sleep disorders in pregnant women include insomnia, obstructive sleep apnea, and restless legs syndrome. [18]
Essentially, ultrasound is considered safe. While other imaging modalities use radioactive dye or ionizing radiation, for example, ultrasound transducers send pulses of high frequency sound into the body and then listen for the echo. In summary, the primary risks associated with ultrasound would be the potential heating of tissue or cavitation ...
Public Law 113-45 (formerly H.R. 3095) is a U.S. federal law that requires that the Federal Motor Carrier Safety Administration go through the standard rulemaking proceeding, allowing comment from the public and the trucking industry, before it sets any requirements for truck drivers related to sleep apnea. [1]
Obstructive sleep apnea is an obstruction in your upper airway that stops normal breathing for a brief time while you're sleeping. In some people, this can occur hundreds of times each night.
Sleep-related breathing disorders, such as sleep apnea [1] [2] Sleep-related seizure disorders [1] Sleep-related movement disorders, such as periodic limb movement disorder, which is repeated muscle twitching of the feet, legs, or arms during sleep. [2] [1] Sleep studies may be used to diagnose or rule out restless legs syndrome (RLS). However ...
New research links omega-6 fatty acids, commonly found in seed oils, and colon cancer growth. But there’s more to the story—and study if you read it carefully.
Absence of the portal system in a first trimester case associated with hygroma and aorto-umbilical fistula. (A): Transverse plane of the upper abdomen with color Doppler applied, showing umbilical cord insertion, stomach, the prominent hepatic artery and no afferent liver venous perfusion; (B): midsagittal plane reconstructed from a three-dimensional volume acquisition were the crown-rump ...