In a pregnancy ultrasound, the crown rump length can help calculate gestational age and can tell a lot about the baby's health. In a pregnancy ultrasound, the crown rump length can help calculate gestational age and can tell a lot about the baby's health. Menu Crown Rump Length (CRL) From the Ultrasound
1 Raw Red Meat(Beef): Refreezeable if itâs still very cold even without ice crystal, but it needs to be below 40F the whole time and have only been fully thawed for a day or two. If itâs gone above 40F toss it.  Raw Poultry or Chicken, Pork and Lamb: Refreezing is OK if itâs still icy or very cold.
Refreezing thawed beef is only safe if the meat was thawed in the refrigerator at 40 degrees Fahrenheit or below. It is not safe to refreeze beef that was thawed in the microwave or in cold water. The quality of the beef may decrease after refreezing. Continue Reading.