It rather depends on why blood is being drawn?
It's recommended to wait at least 24 hours before flying after donating blood to allow your body time to recover fully. Flying can lead to decreased oxygen levels and pressure changes, which may affect you more if you have recently donated blood.
how long can u have a blood clot before u know u have it
Most doctors will agreed that waiting 3 to 4 weeks is appropraite
You cannot eat or drink anything for 8 to 10 hours before having a folate blood test. This test is done to check for anemia, malnutrition, and to ensure birth defects do not happen to a fetus.
4 hours and 28 minutes.
Leonardo Davinci
Sorry, you are wrong. Many women were flying long before Amelia.
3 days
about 9 months
Yes it will get you tired, and i learn my lesson from donating blood, cause you need your blood and you have a risk of getting sick and having a weak immune system save your blood before its to late"
At least 12 hours before getting your blood taken. It is ok to have small sips of water