The team used a method called Doppler ultrasound to measure blood flow in the umbilical cord and found that vitamin C helped ...
FILE - A doctor uses a hand-held Doppler probe on a pregnant woman to measure the heartbeat of the fetus on Dec. 17, 2021, in Jackson, Miss. COVID-19 drove a dramatic increase in the number of ...
The team used a method called Doppler ultrasound to measure blood flow in the umbilical cord and found that vitamin C helped improve blood flow in pregnant smokers, bringing it closer to the ...